{"id":85508,"date":"2025-04-03T14:36:28","date_gmt":"2025-04-03T07:36:28","guid":{"rendered":"https:\/\/itviecblog.uptech.vn\/?p=85508"},"modified":"2025-06-17T09:19:58","modified_gmt":"2025-06-17T02:19:58","slug":"shell-vs-bash","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/shell-vs-bash\/","title":{"rendered":"Shell vs Bash: Ph\u00e2n bi\u1ec7t v\u00e0 l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#Shell_la_gi\" >Shell l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#Bash_la_gi\" >Bash l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#So_sanh_Shell_vs_Bash\" >So s\u00e1nh Shell vs Bash<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#So_sanh_Shell_script_vs_Bash_script\" >So s\u00e1nh Shell script vs Bash script\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#Vay_khi_nao_chon_Bash_Khi_nao_chon_Shell\" >V\u1eady khi n\u00e0o ch\u1ecdn Bash? Khi n\u00e0o ch\u1ecdn Shell?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#Cau_hoi_thuong_gap_ve_Shell_vs_Bash\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Shell vs Bash<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/#Tong_ket\" >T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<p><em><strong>Bash v\u00e0 Shell \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng th\u00f4ng qua d\u00f2ng l\u1ec7nh. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 v\u1ebb gi\u1ed1ng nhau, nh\u01b0ng gi\u1eefa Bash v\u00e0 Shell c\u00f3 nhi\u1ec1u s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh n\u0103ng, c\u00fa ph\u00e1p v\u00e0 \u1ee9ng d\u1ee5ng. H\u00e3y c\u00f9ng ITviec t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Shell vs Bash v\u00e0 l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Bash l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Shell l\u00e0 g\u00ec?<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Shell vs Bash<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">So s\u00e1nh Bash script vs Shell script<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Khi n\u00e0o n\u00ean ch\u1ecdn Bash? Khi n\u00e0o n\u00ean d\u00f9ng Shell?<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Shell_la_gi\"><\/span><b>Shell l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Shell l\u00e0 m\u1ed9t ch\u01b0\u01a1ng tr\u00ecnh th\u00f4ng d\u1ecbch l\u1ec7nh, cung c\u1ea5p giao di\u1ec7n d\u00f2ng l\u1ec7nh \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh. Shell ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t &#8220;c\u1ea7u n\u1ed1i&#8221; gi\u1eefa ng\u01b0\u1eddi d\u00f9ng v\u00e0 h\u1ec7 th\u1ed1ng, gi\u00fap th\u1ef1c thi c\u00e1c l\u1ec7nh, ch\u01b0\u01a1ng tr\u00ecnh v\u00e0 script shell.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed7i shell c\u00f3 c\u00e1c t\u00ednh n\u0103ng ri\u00eang, nh\u01b0ng m\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a ch\u00fang l\u00e0 cung c\u1ea5p m\u1ed9t m\u00f4i tr\u01b0\u1eddng \u0111\u1ec3 ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 l\u00e0m vi\u1ec7c v\u1edbi h\u1ec7 \u0111i\u1ec1u h\u00e0nh th\u00f4ng qua l\u1ec7nh v\u00e0 script, t\u1eeb \u0111\u00f3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c quy tr\u00ecnh v\u00e0 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t trong nh\u1eefng shell \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n l\u00e0 Bourne Shell (sh) tr\u00ean h\u1ec7 \u0111i\u1ec1u h\u00e0nh Unix, gi\u00fap ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 qu\u1ea3n l\u00fd t\u1ec7p v\u00e0 \u0111i\u1ec1u khi\u1ec3n h\u1ec7 th\u1ed1ng.\u00a0<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Bash_la_gi\"><\/span><b>Bash l\u00e0 g\u00ec?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Bash (Bourne Again Shell) l\u00e0 m\u1ed9t shell m\u1ea1nh m\u1ebd v\u00e0 ph\u1ed5 bi\u1ebfn, \u0111\u01b0\u1ee3c Brian Fox ph\u00e1t tri\u1ec3n v\u00e0o n\u0103m 1989 nh\u01b0 m\u1ed9t b\u1ea3n n\u00e2ng c\u1ea5p c\u1ee7a Bourne Shell (sh). Chet Ramey \u0111\u00e3 ti\u1ebfp qu\u1ea3n vai tr\u00f2 ch\u00ednh trong vi\u1ec7c ph\u00e1t tri\u1ec3n v\u00e0 duy tr\u00ec Bash cho \u0111\u1ebfn nay.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Bash \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 cung c\u1ea5p nh\u1eefng t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd h\u01a1n trong vi\u1ec7c l\u1eadp tr\u00ecnh v\u00e0 t\u01b0\u01a1ng t\u00e1c nh\u01b0:\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 ch\u1ec9nh s\u1eeda l\u1ec7nh d\u00f2ng l\u1ec7nh, l\u1ecbch s\u1eed l\u1ec7nh v\u00e0 c\u00e1c ph\u00edm t\u1eaft t\u00f9y ch\u1ec9nh, gi\u00fap ng\u01b0\u1eddi d\u00f9ng thao t\u00e1c nhanh ch\u00f3ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 m\u1ea3ng m\u1ed9t chi\u1ec1u, ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc tr\u1ef1c ti\u1ebfp v\u00e0 kh\u1ea3 n\u0103ng \u0111i\u1ec1u khi\u1ec3n c\u00e1c th\u01b0 m\u1ee5c m\u1ed9t c\u00e1ch linh ho\u1ea1t.\u00a0<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Bash l\u00e0 shell m\u1eb7c \u0111\u1ecbnh tr\u00ean h\u1ea7u h\u1ebft c\u00e1c b\u1ea3n ph\u00e2n ph\u1ed1i Linux v\u00e0 macOS.<\/span><\/p>\n<blockquote><p><em>\u0110\u1ecdc th\u00eam: <a href=\"\/blog\/bash-shell-la-gi\/\" target=\"_blank\" rel=\"noopener\"><strong>Bash Shell l\u00e0 g\u00ec? C\u00e1c t\u00ednh n\u0103ng ch\u00ednh c\u1ee7a Bash Shell<\/strong><\/a><\/em><\/p><\/blockquote>\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_Shell_vs_Bash\"><\/span><b>So s\u00e1nh Shell vs Bash<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">V\u1eady \u0111\u1ec3 so s\u00e1nh 2 thu\u1eadt ng\u1eef n\u00e0y, ch\u00fang ta c\u00f3 th\u1ec3 d\u1ef1a tr\u00ean c\u00e1c ti\u00eau ch\u00ed sau:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td><b>Bash<\/b><\/td>\n<td><b>Shell<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u0110\u1ecbnh ngh\u0129a<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash l\u00e0 m\u1ed9t lo\u1ea1i shell \u0111\u01b0\u1ee3c ph\u00e1t tri\u1ec3n t\u1eeb Bourne Shell (sh), cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 h\u1ed7 tr\u1ee3 l\u1ecbch s\u1eed l\u1ec7nh, ch\u1ec9nh s\u1eeda l\u1ec7nh d\u00f2ng l\u1ec7nh v\u00e0 kh\u1ea3 n\u0103ng l\u1eadp tr\u00ecnh m\u1ea1nh m\u1ebd.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell l\u00e0 thu\u1eadt ng\u1eef chung cho c\u00e1c tr\u00ecnh th\u00f4ng d\u1ecbch l\u1ec7nh tr\u00ean h\u1ec7 th\u1ed1ng Unix-like, nh\u01b0 Bourne Shell (sh), C Shell (csh), KornShell (ksh).<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p &amp; T\u00ednh n\u0103ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash cung c\u1ea5p <\/span><b>c\u00fa ph\u00e1p n\u00e2ng cao<\/b><span style=\"font-weight: 400;\"> v\u1edbi c\u00e1c t\u00ednh n\u0103ng nh\u01b0 m\u1ea3ng, v\u00f2ng l\u1eb7p, x\u1eed l\u00fd chu\u1ed7i, ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc v\u00e0 ho\u00e0n th\u00e0nh l\u1ec7nh t\u1ef1 \u0111\u1ed9ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell c\u00f3 <\/span><b>c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n <\/b><span style=\"font-weight: 400;\">v\u00e0 \u00edt t\u00ednh n\u0103ng n\u00e2ng cao, ch\u1ec9 h\u1ed7 tr\u1ee3 c\u00e1c l\u1ec7nh c\u01a1 b\u1ea3n nh\u01b0 \u0111i\u1ec1u ki\u1ec7n v\u00e0 v\u00f2ng l\u1eb7p \u0111\u01a1n gi\u1ea3n.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng l\u1eadp tr\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash h\u1ed7 tr\u1ee3 <\/span><b>l\u1eadp tr\u00ecnh m\u1ea1nh m\u1ebd<\/b><span style=\"font-weight: 400;\"> v\u1edbi c\u00e1c t\u00ednh n\u0103ng nh\u01b0 m\u1ea3ng k\u1ebft h\u1ee3p, h\u00e0m, x\u1eed l\u00fd chu\u1ed7i v\u00e0 ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell c\u00f3 kh\u1ea3 n\u0103ng <\/span><b>l\u1eadp tr\u00ecnh c\u01a1 b\u1ea3n <\/b><span style=\"font-weight: 400;\">nh\u01b0ng kh\u00f4ng h\u1ed7 tr\u1ee3 c\u00e1c t\u00ednh n\u0103ng ph\u1ee9c t\u1ea1p nh\u01b0 trong Bash.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ednh t\u01b0\u01a1ng th\u00edch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash <\/span><b>t\u01b0\u01a1ng th\u00edch v\u1edbi Bourne Shell <\/b><span style=\"font-weight: 400;\">(sh), gi\u00fap c\u00e1c script vi\u1ebft cho sh ch\u1ea1y \u0111\u01b0\u1ee3c tr\u00ean Bash, nh\u01b0ng kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c t\u00ednh n\u0103ng c\u1ee7a Bash s\u1ebd ho\u1ea1t \u0111\u1ed9ng tr\u00ean shell kh\u00e1c.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell <\/span><b>t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i<\/b><span style=\"font-weight: 400;\">, \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng Unix-like. C\u00e1c script \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean nhi\u1ec1u lo\u1ea1i shell kh\u00e1c nhau nh\u01b0 sh, csh, ksh.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ednh di \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean Linux, macOS v\u00e0 Windows (qua WSL), nh\u01b0ng <\/span><b>kh\u00f4ng ph\u1ea3i h\u1ec7 th\u1ed1ng UNIX n\u00e0o c\u0169ng c\u00e0i s\u1eb5n Bash<\/b><span style=\"font-weight: 400;\">.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell <\/span><b>r\u1ea5t di \u0111\u1ed9ng<\/b><span style=\"font-weight: 400;\">, c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh Unix-like m\u00e0 kh\u00f4ng g\u1eb7p v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ednh th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash cung c\u1ea5p t\u00ednh n\u0103ng l\u1ecbch s\u1eed l\u1ec7nh, ho\u00e0n th\u00e0nh t\u1ef1 \u0111\u1ed9ng v\u00e0 s\u1eeda l\u1ed7i nhanh ch\u00f3ng, <\/span><b>th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng<\/b><span style=\"font-weight: 400;\">, gi\u00fap h\u1ecd d\u1ec5 d\u00e0ng thao t\u00e1c h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell th\u01b0\u1eddng <\/span><b>kh\u00f4ng th\u00e2n thi\u1ec7n <\/b><span style=\"font-weight: 400;\">v\u1edbi ng\u01b0\u1eddi d\u00f9ng, thi\u1ebfu c\u00e1c t\u00ednh n\u0103ng nh\u01b0 ho\u00e0n th\u00e0nh t\u1ef1 \u0111\u1ed9ng v\u00e0 l\u1ecbch s\u1eed l\u1ec7nh.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Hi\u1ec7u su\u1ea5t<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash cung c\u1ea5p nhi\u1ec1u t\u00ednh n\u0103ng t\u00edch h\u1ee3p \u0111\u1ec3 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p, nh\u01b0ng \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t so v\u1edbi c\u00e1c shell nh\u1eb9 h\u01a1n nh\u01b0 sh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00e1c shell c\u01a1 b\u1ea3n nh\u01b0 sh th\u01b0\u1eddng nhanh h\u01a1n Bash khi th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n do \u00edt t\u1ea3i nh\u1eefng t\u00ednh n\u0103ng b\u1ed5 sung.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell nhanh v\u00e0 nh\u1eb9 cho c\u00e1c l\u1ec7nh \u0111\u01a1n gi\u1ea3n, nh\u01b0ng s\u1ebd ch\u1eadm h\u01a1n khi x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p v\u00ec thi\u1ebfu t\u00ednh n\u0103ng t\u1ed1i \u01b0u h\u00f3a nh\u01b0 trong Bash.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng, t\u1ef1 \u0111\u1ed9ng h\u00f3a, ph\u00e1t tri\u1ec3n web v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u nh\u1edd t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n, y\u00eau c\u1ea7u t\u00ednh t\u01b0\u01a1ng th\u00edch cao gi\u1eefa nhi\u1ec1u shell kh\u00e1c nhau.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean c\u1ea7n l\u01b0u \u00fd r\u1eb1ng Bash l\u00e0 m\u1ed9t lo\u1ea1i Shell c\u1ee5 th\u1ec3, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t th\u1ef1c th\u1ec3 t\u00e1ch bi\u1ec7t v\u1edbi Shell. Khi so s\u00e1nh Bash vs Shell, ch\u00fang ta c\u00f3 th\u1ec3 so s\u00e1nh Bash v\u1edbi c\u00e1c lo\u1ea1i Shell kh\u00e1c nh\u01b0 Bourne Shell (sh), C Shell (csh) hay KornShell (ksh).<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"So_sanh_Shell_script_vs_Bash_script\"><\/span><b>So s\u00e1nh Shell script vs Bash script\u00a0<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><strong>Shell Script<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Shell Script l\u00e0 thu\u1eadt ng\u1eef ch\u1ec9 c\u00e1c t\u1eadp l\u1ec7nh \u0111\u01b0\u1ee3c vi\u1ebft cho b\u1ea5t k\u1ef3 lo\u1ea1i shell n\u00e0o nh\u01b0 sh, ksh ho\u1eb7c csh v\u1edbi c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n. N\u00f3 th\u00edch h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 nh\u1ecf v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u t\u00ednh di \u0111\u1ed9ng cao, c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean nhi\u1ec1u shell kh\u00e1c nhau m\u00e0 kh\u00f4ng g\u1eb7p ph\u1ea3i v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u00f9ng Shell \u0111\u1ec3 li\u1ec7t k\u00ea c\u00e1c t\u1ec7p trong th\u01b0 m\u1ee5c v\u1edbi c\u00fa ph\u00e1p:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">ls<\/span><\/pre>\n<h3><strong>Bash Script<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Bash Script, m\u1eb7t kh\u00e1c, l\u00e0 m\u1ed9t lo\u1ea1i Shell Script \u0111\u1eb7c bi\u1ec7t \u0111\u01b0\u1ee3c vi\u1ebft cho Bash (Bourne Again Shell), l\u00e0 phi\u00ean b\u1ea3n n\u00e2ng c\u1ea5p c\u1ee7a Bourne Shell. Bash cung c\u1ea5p r\u1ea5t nhi\u1ec1u t\u00ednh n\u0103ng m\u1ea1nh m\u1ebd bao g\u1ed3m m\u1ea3ng k\u1ebft h\u1ee3p, ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng thao t\u00e1c chu\u1ed7i n\u00e2ng cao, gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p h\u01a1n. V\u1edbi Bash Script, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c t\u00e1c v\u1ee5 nh\u01b0 t\u1ef1 \u0111\u1ed9ng h\u00f3a quy tr\u00ecnh qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng, ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng web v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u1eed d\u1ee5ng Bash \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng sao l\u01b0u t\u1ec7p <\/span><span style=\"font-weight: 400;\">.tar.gz<\/span><span style=\"font-weight: 400;\"> trong th\u01b0 m\u1ee5c <\/span><span style=\"font-weight: 400;\">\/home\/user\/documents<\/span><span style=\"font-weight: 400;\"> v\u00e0 l\u01b0u v\u1edbi t\u00ean <\/span><span style=\"font-weight: 400;\">backup<\/span><span style=\"font-weight: 400;\"> v\u1edbi c\u00fa ph\u00e1p:<\/span><\/p>\n<pre><span style=\"font-weight: 400;\">tar -czf backup.tar.gz \/home\/user\/documents<\/span><\/pre>\n<h3><strong>So s\u00e1nh Shell script vs Bash script<\/strong><\/h3>\n<p><span style=\"font-weight: 400;\">Shell Script v\u00e0 Bash Script l\u00e0 hai c\u00f4ng c\u1ee5 c\u1ef1c k\u1ef3 quan tr\u1ecdng \u0111\u1ed1i v\u1edbi l\u1eadp tr\u00ecnh vi\u00ean v\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean h\u1ec7 th\u1ed1ng. C\u1ea3 hai \u0111\u1ec1u l\u00e0 c\u00e1c t\u1eadp l\u1ec7nh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 trong m\u00f4i tr\u01b0\u1eddng d\u00f2ng l\u1ec7nh, gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 gi\u1ea3m thi\u1ec3u l\u1ed7i th\u1ee7 c\u00f4ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 c\u1ea3 hai \u0111\u1ec1u l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 c\u00fa ph\u00e1p, t\u00ednh n\u0103ng v\u00e0 \u1ee9ng d\u1ee5ng gi\u1eefa Bash Script v\u00e0 Shell Script s\u1ebd quy\u1ebft \u0111\u1ecbnh c\u00f4ng c\u1ee5 n\u00e0o l\u00e0 ph\u00f9 h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh chi ti\u1ebft gi\u1eefa Bash Script v\u00e0 Shell Script:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Ti\u00eau ch\u00ed<\/b><\/td>\n<td><b>Bash Script<\/b><\/td>\n<td><b>Shell Script<\/b><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">C\u00fa ph\u00e1p &amp; T\u00ednh n\u0103ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash script h\u1ed7 tr\u1ee3 c\u00fa ph\u00e1p n\u00e2ng cao nh\u01b0 m\u1ea3ng k\u1ebft h\u1ee3p, ph\u00e9p to\u00e1n s\u1ed1 h\u1ecdc v\u00e0 thao t\u00e1c chu\u1ed7i, gi\u00fap gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 ph\u1ee9c t\u1ea1p.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell script c\u00f3 c\u00fa ph\u00e1p \u0111\u01a1n gi\u1ea3n, ch\u1ec9 h\u1ed7 tr\u1ee3 c\u00e1c l\u1ec7nh c\u01a1 b\u1ea3n, kh\u00f4ng c\u00f3 c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 trong Bash.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash script \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a c\u00e1c t\u00e1c v\u1ee5 ph\u1ee9c t\u1ea1p, qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng, l\u1eadp tr\u00ecnh web v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell script th\u00edch h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 ch\u1ea1y c\u00e1c l\u1ec7nh tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng UNIX-like.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash script t\u01b0\u01a1ng th\u00edch ch\u1ee7 y\u1ebfu v\u1edbi Bash, nh\u01b0ng kh\u00f4ng ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c shell kh\u00e1c do s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng \u0111\u1eb7c tr\u01b0ng c\u1ee7a Bash.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean, c\u00f3 th\u1ec3 vi\u1ebft script t\u01b0\u01a1ng th\u00edch b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng shebang (#!\/bin\/bash) \u1edf \u0111\u1ea7u script v\u00e0 tr\u00e1nh s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng \u0111\u1ed9c quy\u1ec1n c\u1ee7a Bash, ho\u1eb7c d\u00f9ng #!\/bin\/sh n\u1ebfu mu\u1ed1n script ch\u1ea1y \u0111\u01b0\u1ee3c tr\u00ean nhi\u1ec1u shell kh\u00e1c nhau.. V\u00ed d\u1ee5 l\u1ec7nh sau:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">echo -e &#8220;Hello\\tWorld&#8221;<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\"><br \/>\n<\/span><span style=\"font-weight: 400;\">Trong \u0111\u00f3: L\u1ec7nh tr\u00ean s\u1ebd hi\u1ec3n th\u1ecb &#8220;Hello&#8221; v\u00e0 &#8220;World&#8221; v\u1edbi m\u1ed9t tab ng\u0103n c\u00e1ch ch\u00fang. L\u01b0u \u00fd r\u1eb1ng t\u00f9y ch\u1ecdn <\/span><span style=\"font-weight: 400;\">-e<\/span><span style=\"font-weight: 400;\"> trong <\/span><span style=\"font-weight: 400;\">echo<\/span><span style=\"font-weight: 400;\"> cho ph\u00e9p hi\u1ec3n th\u1ecb c\u00e1c k\u00fd t\u1ef1 \u0111\u1eb7c bi\u1ec7t nh\u01b0 tab (<\/span><span style=\"font-weight: 400;\">\\t<\/span><span style=\"font-weight: 400;\">) ho\u1eb7c d\u00f2ng m\u1edbi (<\/span><span style=\"font-weight: 400;\">\\n<\/span><span style=\"font-weight: 400;\">). Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i shell n\u00e0o c\u0169ng h\u1ed7 tr\u1ee3 t\u00f9y ch\u1ecdn <\/span><span style=\"font-weight: 400;\">-e<\/span><span style=\"font-weight: 400;\"> (v\u00ed d\u1ee5, sh).<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell script t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u shell kh\u00e1c nhau nh\u01b0 sh, ksh, csh, gi\u00fap n\u00f3 d\u1ec5 d\u00e0ng ch\u1ea1y tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau. V\u00ed d\u1ee5: Script s\u1eed d\u1ee5ng c\u00fa ph\u00e1p c\u01a1 b\u1ea3n, c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean c\u00e1c shell kh\u00e1c nhau nh\u01b0:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">echo &#8220;This works on any shell&#8221;<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">T\u00ednh di \u0111\u1ed9ng<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash script ch\u1ee7 y\u1ebfu ch\u1ea1y tr\u00ean Linux, macOS v\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u00ean Windows th\u00f4ng qua WSL.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell script c\u00f3 t\u00ednh di \u0111\u1ed9ng cao, c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh UNIX-like m\u00e0 kh\u00f4ng g\u1eb7p ph\u1ea3i c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch.<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">\u1ee8ng d\u1ee5ng th\u1ef1c t\u1ebf<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Bash script th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng, t\u1ef1 \u0111\u1ed9ng h\u00f3a, ph\u00e1t tri\u1ec3n web v\u00e0 x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Shell script \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c t\u00e1c v\u1ee5 \u0111\u01a1n gi\u1ea3n, c\u1ea7n t\u00ednh di \u0111\u1ed9ng cao v\u00e0 khi y\u00eau c\u1ea7u s\u1ef1 t\u01b0\u01a1ng th\u00edch gi\u1eefa nhi\u1ec1u shell kh\u00e1c nhau.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Vay_khi_nao_chon_Bash_Khi_nao_chon_Shell\"><\/span><b>V\u1eady khi n\u00e0o ch\u1ecdn Bash? Khi n\u00e0o ch\u1ecdn Shell?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">N\u1ebfu b\u1ea1n t\u00ecm ki\u1ebfm s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00edch v\u1edbi nhi\u1ec1u n\u1ec1n t\u1ea3ng, Shell (\u0111\u1eb7c bi\u1ec7t l\u00e0 Bourne Shell) s\u1ebd l\u00e0 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean h\u00e3y ch\u1ecdn Bash n\u1ebfu b\u1ea1n mu\u1ed1n t\u1eadn m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd v\u1edbi \u0111\u1ea7y \u0111\u1ee7 t\u00ednh n\u0103ng, kh\u1ea3 n\u0103ng l\u1eadp tr\u00ecnh m\u1ea1nh m\u1ebd v\u1edbi tr\u1ea3i nghi\u1ec7m t\u01b0\u01a1ng t\u00e1c phong ph\u00fa v\u00e0 nhi\u1ec1u ti\u1ec7n \u00edch hi\u1ec7n \u0111\u1ea1i.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau_hoi_thuong_gap_ve_Shell_vs_Bash\"><\/span><b>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Shell vs Bash<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>Shell environment l\u00e0 g\u00ec?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Shell environment l\u00e0 m\u00f4i tr\u01b0\u1eddng d\u00f2ng l\u1ec7nh n\u01a1i ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 nh\u1eadp v\u00e0 th\u1ef1c thi c\u00e1c l\u1ec7nh, bao g\u1ed3m c\u00e1c bi\u1ebfn m\u00f4i tr\u01b0\u1eddng, c\u00e0i \u0111\u1eb7t v\u00e0 c\u1ea5u h\u00ecnh shell (nh\u01b0 Bash, sh, csh) cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng th\u00f4ng qua l\u1ec7nh.<\/span><\/p>\n<h3><b>C\u00f3 th\u1ec3 ch\u1ea1y Bash script tr\u00ean c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00f3, Bash script c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh nh\u01b0 Linux, macOS v\u00e0 Windows (qua WSL). Tuy nhi\u00ean, n\u1ebfu script s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng c\u1ee5 th\u1ec3 c\u1ee7a Bash, n\u00f3 c\u00f3 th\u1ec3 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c shell kh\u00e1c nh\u01b0 sh ho\u1eb7c csh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Tuy nhi\u00ean c\u1ea7n l\u01b0u \u00fd m\u1ed9t s\u1ed1 \u0111i\u1ec1u sau:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tr\u00ean macOS, phi\u00ean b\u1ea3n Bash m\u1eb7c \u0111\u1ecbnh kh\u00e1 c\u0169 (3.2) do v\u1ea5n \u0111\u1ec1 gi\u1ea5y ph\u00e9p, v\u00e0 t\u1eeb macOS Catalina tr\u1edf \u0111i, shell m\u1eb7c \u0111\u1ecbnh \u0111\u00e3 chuy\u1ec3n sang zsh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch cao nh\u1ea5t, n\u00ean s\u1eed d\u1ee5ng shebang <\/span><span style=\"font-weight: 400;\">#!\/bin\/bash<\/span><span style=\"font-weight: 400;\"> \u1edf \u0111\u1ea7u script v\u00e0 tr\u00e1nh d\u00f9ng c\u00e1c t\u00ednh n\u0103ng ch\u1ec9 c\u00f3 trong c\u00e1c phi\u00ean b\u1ea3n Bash m\u1edbi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">N\u1ebfu script s\u1eed d\u1ee5ng l\u1ec7nh h\u1ec7 th\u1ed1ng \u0111\u1eb7c th\u00f9 (nh\u01b0 <\/span><span style=\"font-weight: 400;\">apt-get<\/span><span style=\"font-weight: 400;\"> ch\u1ec9 c\u00f3 tr\u00ean Ubuntu\/Debian), script s\u1ebd kh\u00f4ng ch\u1ea1y \u0111\u01b0\u1ee3c tr\u00ean c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c d\u00f9 c\u00f3 Bash.<\/span><\/li>\n<\/ul>\n<h3><b>C\u00f3 th\u1ec3 ch\u1ea1y Shell script tr\u00ean c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau kh\u00f4ng?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Shell script c\u00f3 th\u1ec3 ch\u1ea1y tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh Unix-like nh\u01b0 Linux, macOS v\u00e0 BSD. Tuy nhi\u00ean, s\u1ef1 t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i shell m\u00e0 b\u1ea1n s\u1eed d\u1ee5ng. V\u00ed d\u1ee5, sh, ksh v\u00e0 bash c\u00f3 c\u00fa ph\u00e1p v\u00e0 t\u00ednh n\u0103ng kh\u00e1c nhau, v\u00ec v\u1eady m\u1ed9t Shell script vi\u1ebft cho m\u1ed9t shell c\u00f3 th\u1ec3 kh\u00f4ng ch\u1ea1y ch\u00ednh x\u00e1c tr\u00ean m\u1ed9t shell kh\u00e1c n\u1ebfu n\u00f3 s\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng ho\u1eb7c c\u00fa ph\u00e1p \u0111\u1eb7c bi\u1ec7t c\u1ee7a shell \u0111\u00f3.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket\"><\/span><b>T\u1ed5ng k\u1ebft<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Bash v\u00e0 Shell \u0111\u1ec1u c\u00f3 nh\u1eefng \u0111i\u1ec3m m\u1ea1nh ri\u00eang, do \u0111\u00f3 vi\u1ec7c l\u1ef1a ch\u1ecdn s\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 n\u00e0o s\u1ebd t\u00f9y thu\u1ed9c v\u00e0o y\u00eau c\u1ea7u c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n. N\u1ebfu b\u1ea1n c\u1ea7n m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd v\u1edbi c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao, nh\u01b0 m\u1ea3ng, ph\u00e9p to\u00e1n v\u00e0 x\u1eed l\u00fd chu\u1ed7i, Bash s\u1ebd l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn l\u00fd t\u01b0\u1edfng. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t c\u00f4ng c\u1ee5 nh\u1eb9 nh\u00e0ng, \u0111\u01a1n gi\u1ea3n v\u00e0 t\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i, Shell l\u00e0 l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p h\u01a1n. Hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y gi\u00fap b\u1ea1n s\u1eed d\u1ee5ng ch\u00fang m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3 h\u01a1n trong c\u00e1c d\u1ef1 \u00e1n ph\u00e1t tri\u1ec3n v\u00e0 qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">ITviec hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u \u0111\u01b0\u1ee3c s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Bash v\u00e0 Shell.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bash v\u00e0 Shell \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng th\u00f4ng qua d\u00f2ng l\u1ec7nh. M\u1eb7c d\u00f9 ch\u00fang c\u00f3 v\u1ebb gi\u1ed1ng nhau, nh\u01b0ng gi\u1eefa Bash v\u00e0 Shell c\u00f3 nhi\u1ec1u s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u00ednh n\u0103ng, c\u00fa ph\u00e1p v\u00e0 \u1ee9ng d\u1ee5ng. H\u00e3y c\u00f9ng ITviec t\u00ecm hi\u1ec3u k\u1ef9 h\u01a1n s\u1ef1 [&hellip;]<\/p>\n","protected":false},"author":209,"featured_media":87319,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109],"tags":[],"class_list":["post-85508","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Shell vs Bash: Ph\u00e2n bi\u1ec7t v\u00e0 l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p - ITviec Blog<\/title>\n<meta name=\"description\" content=\"So s\u00e1nh chi ti\u1ebft Shell vs Bash, t\u1eeb c\u00fa ph\u00e1p, t\u00ednh n\u0103ng, \u1ee9ng d\u1ee5ng th\u1ef1c t\u1ebf v\u00e0 c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng t\u1ed1t nh\u1ea5t \u0111\u1ed1i v\u1edbi Bash v\u00e0 Shell.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/shell-vs-bash\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shell vs Bash: Ph\u00e2n bi\u1ec7t v\u00e0 l\u1ef1a ch\u1ecdn c\u00f4ng c\u1ee5 ph\u00f9 h\u1ee3p\" \/>\n<meta property=\"og:description\" content=\"Bash v\u00e0 Shell \u0111\u1ec1u l\u00e0 nh\u1eefng c\u00f4ng c\u1ee5 quan tr\u1ecdng gi\u00fap ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi h\u1ec7 th\u1ed1ng th\u00f4ng qua d\u00f2ng l\u1ec7nh. 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