{"id":183,"date":"2021-01-20T19:48:10","date_gmt":"2021-01-20T10:48:10","guid":{"rendered":"https:\/\/centos.ihavenomoney.co.kr\/?page_id=183"},"modified":"2021-09-03T15:30:37","modified_gmt":"2021-09-03T06:30:37","slug":"shell-%ec%9d%98-%ec%a2%85%eb%a5%98-%eb%b0%8f-%ec%b6%94%ea%b0%80","status":"publish","type":"page","link":"https:\/\/centos.ihavenomoney.co.kr\/?page_id=183","title":{"rendered":"shell \uc758 \uc885\ub958 \ubc0f \ucd94\uac00"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Remark :<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">shell \uc758 \uc885\ub958 \ubc0f \ucd94\uac00<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"466\" height=\"451\" src=\"https:\/\/centos.ihavenomoney.co.kr\/wp-content\/uploads\/2021\/09\/Shell_process.png\" alt=\"\" class=\"wp-image-409\" srcset=\"https:\/\/centos.ihavenomoney.co.kr\/wp-content\/uploads\/2021\/09\/Shell_process.png 466w, https:\/\/centos.ihavenomoney.co.kr\/wp-content\/uploads\/2021\/09\/Shell_process-300x290.png 300w\" sizes=\"auto, (max-width: 466px) 100vw, 466px\" \/><\/figure>\n\n\n<p>\uc27d\uac8c \ud45c\ud604\ud558\uba74 \uc708\ub3c4\uc758 command.com(\uc2dc\uc791-\uc2e4\ud589-cmd)\uc774 \ud558\ub294 \uc5ed\ud560\ucc98\ub7fc login \uc774\ud6c4\ubd80\ud130 \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud558\ub294 \uba85\ub839\uc5b4\ub97c \uae30\uacc4\uc5b4\ub85c \ubcc0\uc5ed\ud558\uc5ec<\/p>\n<p>\ucee4\ub110\uc5d0 \uc804\ub2ec\ud558\ub294 \uc5ed\ud560\uc744 \ud558\ub294 \uba85\ub839\uc5b4 \ud574\uc11d\uae30\ub97c \ub9d0\ud55c\ub2e4. Shell\uc774\ub780 \ud55c\ub9c8\ub514\ub85c \uc0ac\uc6a9\uc790\uc640 \uc6b4\uc601\uccb4\uc81c \uc0ac\uc774\ub97c Interface\uc2dc\ud0a4\ub294 \ud558\ub098\uc758 \uc720\ud2f8\ub9ac\ud2f0<\/p>\n<p>\ud504\ub85c\uadf8\ub7a8\uc774\ub2e4. \ub610\ud55c \uc258\uc740 \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \uba85\ub839 \ub77c\uc778\uc744 \uc77d\uc5b4\ub4e4\uc5ec \ud574\uc11d\ud558\uace0 \ub9ac\ub205\uc2a4 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud574\uc11c \uba85\ub839 \ub77c\uc778\uc774 \uc2e4\ud589\ub418\uac8c \ud558\ub294 Command<\/p>\n<p>Interpreter\uc774\ub2e4. Kernel \uacfc \uc9c1\uc811\uc801\uc73c\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\uc73c\uba70 \ud574\uc11d\ud55c \uacb0\uacfc\ub97c \ucee4\ub110\ub85c \ubcf4\ub0b8\ub2e4. \ub2e4\uc2dc \ub9d0\ud574 \uc0ac\uc6a9\uc790\uc640 \ucee4\ub110\uacfc\uc758 \ub300\ud654\ub77c\uace0\ub3c4 \ud560 \uc218<\/p>\n<p>\uc788\uc73c\uba70 \ub2e4\ub978 \ud504\ub85c\uadf8\ub7a8\uc73c\ub85c \ub118\uaca8\uc8fc\ub3c4\ub85d \ud558\uace0 \ucee4\ub110\ub85c \ubcf4\ub0b4\uae30\ub3c4 \ud55c\ub2e4.<\/p>\n<h3>Shell\uc758 \uc885\ub958<\/h3>\n<h3>bash ( Bourne-Again Shell )<\/h3>\n<p>\ud504\ub86c\ud504\ud2b8 : #<\/p>\n<p>\uc2e4\ud589\ud30c\uc77c\uc740 \/bin\/bash<\/p>\n<p>Bourne again shell\uc740 \ucd5c\ucd08\ub85c \uac1c\ubc1c\ub41c \uc258\uc778 Bourne shell\uc758 \ubcc0\uc885\uc774\ub77c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<br \/>\ub9ac\ub205\uc2a4\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub418\ub294 IEEE POSIX \ud638\ud658\uc774\uba70 Borune shell\uacfc \ud638\ud658\ub418\ub294 \uc258\ub85c\uc11c<br \/>GNU \ud504\ub85c\uc81d\ud2b8\uc5d0 \uc758\ud574 \ub9cc\ub4e4\uc5b4\uc9c0\uace0 \ubc30\ud3ec\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uba85\ub839\ud589 \ud3b8\uc9d1 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4<\/p>\n<h3>sh ( Bourne Shell )<\/h3>\n<p>\ud504\ub86c\ud504\ud2b8 : $<\/p>\n<p>\ubcf8 \uc258 \ubcf4\ub2e4\ub294 \uac1c\ubc1c\ub41c C\uc258\uc774\ub098 \ucf58 \uc258\uacfc \uae30\ub2a5\uc801\uc778 \uba74\uc744 \ube44\uad50\ud574 \ubcf4\uba74 \ubcf8 \uc258\uc5d0 \ubbf8\ud761\ud55c \uc810\uc774 \uc788\ub2e4. \uadf8 \uc911 \uac00\uc7a5 \ud070 \ub2e8\uc810\uc740 \uc0c1\ud638 \ub300\ud654\ud615(Interactive)<\/p>\n<p>\ubc29\uc2dd\uc744 \ucde8\ud558\uace0 \uc788\uc9c0 \uc54a\ub2e4\ub294 \uc810\uc774\ub2e4. \uc774\ub7ec\ud55c \uc0c1\ud638 \ub300\ud654\ud615 \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud558\uace0\uc790 \ud55c\ub2e4\uba74 \uc258\uc744 \ubc14\uafd4\uc11c \uc791\uc5c5\ud558\ub294 \uac83\uc774 \uc88b\uc744 \uac83\uc774\ub2e4.<\/p>\n<p>&#8211; Steven Bourne\uc758 Bourne Shell, sh<\/p>\n<p>&#8211; \uc258 \uba85\ub839 \ub300\ubcf8\uc744 \uc791\uc131\ud558\ub294\ub370 \uc774\uc6a9\ub418\ub294 \uc258<\/p>\n<p>&#8211; \uac15\ub825\ud55c \uba85\ub839 \ud504\ub85c\uadf8\ub798\ubc0d \uc5b8\uc5b4 \uae30\ub2a5\uc744 \uac16\ub294 \uc258<\/p>\n<p>&#8211; \uac00\uc7a5 \uc624\ub798 \ub3d9\uc548 \ubaa8\ub4e0 \uc720\ub2c9\uc2a4 \uc2dc\uc2a4\ud15c\uc758 \ud45c\uc900 \uad6c\uc131 \uc694\uc18c<\/p>\n<h3>csh ( C \ud504\ub85c\uadf8\ub7a8 \uc2a4\ud0c0\uc77c\uc758 Shell )<\/h3>\n<p>\ud504\ub86c\ud504\ud2b8 : %<\/p>\n<p>\ubc84\ud074\ub9ac \uce98\ub9ac\ud3ec\ub2c8\uc544 \ub300\ud559\uc5d0\uc11c \uac1c\ubc1c\ub41c \ud504\ub85c\uadf8\ub798\uba38\ub4e4\uc5d0\uac8c \uc801\ud569\ud55c shell\uc785\ub2c8\ub2e4. ( csh\ub294 C\uc258\uc774\uba70 sh\ub294 \ubcf8 \uc258\uc774\ub2e4 )<br \/>\ub300\ud654\ud615 \uc0ac\uc6a9\ubc95\uc5d0\uc11c\ub294 Bourne shell\uacfc \ub300\ubd80\ubd84 \ud638\ud658\ub418\uc9c0\ub9cc \uc804\ud600 \ub2e4\ub978 \ud504\ub85c\uadf8\ub798\ubc0d \uc778\ud130\ud398\uc774\uc2a4\ub97c \uac00\uc9c0\uace0 \uc788\uace0, \ud788\uc2a4\ud1a0\ub9ac \ub300\uccb4\ub77c\ub294 \ubcf5\uc7a1\ud55c<\/p>\n<p>\uae30\ub2a5\uc73c\ub85c \ub300\uc2e0\ud558\uace0 \uc788\uc9c0\ub9cc \uba85\ub839\ud589 \ud3b8\uc9d1 \uae30\ub2a5\uc740 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<br \/>&#8211; Bill Joy\uc758 C Shell, csh<\/p>\n<p>&#8211; C\uc5b8\uc5b4\uc640 \uc720\uc0ac\ud55c \uc5b8\uc5b4\ub97c \uc0ac\uc6a9<\/p>\n<p>&#8211; \uc0c1\ud638 \ub300\ud654\ud615 \ubc29\uc2dd\uc73c\ub85c \uad6c\uc131<\/p>\n<h3>ksh ( Korn Shell )<\/h3>\n<p>\ud504\ub86c\ud504\ud2b8 : $<\/p>\n<p>\uc77c\ubc18\uc801\uc73c\ub85c \uc720\ub2c9\uc2a4\uc5d0\uc11c \uac00\uc7a5 \ub9ce\uc774 \uc0ac\uc6a9\ub418\uace0 \uc788\ub294 shell\uc774\uba70 Bourne shell\uc5d0 \ucc98\uc74c\uc73c\ub85c \ud604\ub300\uc801<br \/>\uc778 shell \uae30\ub2a5(C shell\ub85c\ubd80\ud130 \ucc28\uc6a9\ud55c \uac83\uc774\ub2e4.)\uc744 \ub3c4\uc785\ud55c shell \uc785\ub2c8\ub2e4. Bourne shell\uacfc \ud638\ud658<br \/>\ub418\uace0, \uba85\ub839\ud589 \ud3b8\uc9d1 \uae30\ub2a5\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<h3>zsh<\/h3>\n<p>\ud504\ub86c\ud504\ud2b8 : %<\/p>\n<p>Korn Shell\uacfc \ub9e4\uc6b0 \uc720\uc0ac\ud55c \uc178\uc774\uc9c0\ub9cc Korn Shell\ubcf4\ub2e4 \ub354 \ub9ce\uace0 \uc720\uc6a9\ud55c \uae30\ub2a5 \ub4f1\uc744 \ucd94\uac00\ud558\uc5ec \uac1c\uc120\uc2dc\ud0a8 \uac83\uc774\ub2e4.<\/p>\n<h3>tc Shell<\/h3>\n<p>\ud504\ub86c\ud504\ud2b8 : &gt;<\/p>\n<p>\ucf54\ub12c \ub300\ud559\uc5d0\uc11c C Shell \uc218\uc815\ubcf8\uc5d0 Korn Shell\uc758 \uae30\ub2a5\uc744 \ud3ec\ud568\ud558\uc5ec \uac1c\ubc1c\ub41c \uc178\uc774\ub2e4. 95%\uc758 C Shell\uacfc 5%\uc758 \uc0c8\ub85c\uc6b4 \uae30\ub2a5\uc774 \ucd94\uac00\ub418\uc5b4 \ub9cc\ub4e4\uc5b4\uc84c\ub2e4.<\/p>\n<p>\ucd9c\ucc98: https:\/\/unabated.tistory.com\/entry\/LinuxUnix\uc258-Shell-\uc758-\uc815\uc758\uc640-\uc885\ub958?category=269885 [\ub784\ub77c\ub77c]<\/p>\n<h3>cat \/etc\/shells \u2014- shells \ubcf4\uae30<\/h3>\n<pre class=\"lang:vim decode:true \"># cat \/etc\/shells\n\/bin\/sh \u2013 \ubcf8\uc258\n\/bin\/bash \u2013 Bourne Again shell\n\/bin\/tcsh \u2013 TC\uc258\n\/bin\/csh \u2013 C\uc258\n\/bin\/ksh \u2013 \ucf58\uc258<\/pre>\n<h3>1. nologin\uc758 \uc808\ub300\uacbd\ub85c\ub97c which \uba85\ub839\uc5b4\ub85c \ucc3e\ub294\ub2e4.<\/h3>\n<pre class=\"lang:vim decode:true \"># which nologin\n\n\/usr\/sbin\/nologin<\/pre>\n<h3>2. <strong>chsh\u00a0 \uba85\ub839\uc5b4\ub85c <\/strong>\u00a0FTP\ub9cc \uc811\uc18d\uc744 \ud5c8\uc6a9\ud560 \uacc4\uc815\uc758 \uc258\uc744 \uc544\ub798\uc640 \uac19\uc774 \/usr\/sbin\/nologin\uc73c\ub85c \ubcc0\uacbd\uc744 \ud55c\ub2e4.<\/h3>\n<pre class=\"lang:vim decode:true\"><strong>sudo chsh -s \/usr\/sbin\/nologin userIDd<\/strong><\/pre>\n<h3>3. vi \uba85\ub839\uc5b4\ub85c \/etc\/shells \ud30c\uc77c\uc744 \uc5f4\uc5b4 \uc81c\uc77c \uc544\ub798 \uc904\uc5d0 \/usr\/sbin\/nologin\uc744 \ucd94\uac00\ud55c\ub2e4.<\/h3>\n<pre class=\"lang:vim decode:true \"># vi \/etc\/shells\n\n# \/etc\/shells: valid login shells\n\/bin\/sh\n\/bin\/dash\n\/bin\/bash\n\/bin\/rbash\n\/usr\/bin\/rc\n\n\/usr\/sbin\/nologin<\/pre>\n<h3>4. \uc124\uc815\uc774 \uc644\ub8cc\ub418\uc5c8\uc73c\uba74 SSH\uc640 FTP\uc5d0 \uc811\uc18d\ud558\uc5ec FTP\ub9cc \uc811\uc18d\uc774 \ub418\ub294\uc9c0 \ud655\uc778\ud574 \ubcf8\ub2e4.<\/h3>\n<p>CentOS \ub4f1\uc5d0\uc11c\ub294 \uc0ac\uc6a9\uc790\uc5d0\uac8c FTP\ub4f1\uc758 \uc811\uc18d\uad8c\ud55c\ub9cc \uc8fc\uace0<br \/>ssh\uc811\uc18d\ub4f1 \uc258\uc758 \uad8c\ud55c\uc740 \uc8fc\uace0 \uc2f6\uc9c0 \uc54a\uc744\ub54c \uc0ac\uc6a9\uc790\uc758 \uc258\uc744 \/usr\/sbin\/nologin \uc73c\ub85c \uace0\uccd0\uc8fc\uae30\ub9cc \ud558\uba74 \ub418\uc5c8\ub2e4.<\/p>\n<pre class=\"lang:vim decode:true \">sudo chsh -s \/bin\/false hsc02 \/\/ \uc798\ubabb\uc138\ud305\nsudo chsh -s \/usr\/sbin\/nologin hsc02   \/\/\ub9de\ub294\uc138\ud305\n\nuseradd -d \/path\/to\/your\/dir -s \/usr\/sbin\/nologin ftpuser\npasswd ftpuser\nsudo chown -R ftpuser \/var\/www\/helloworld \nsudo chmod -R 777 \/var\/www\/helloworld\n\n<\/pre>\n<h3>\uc258\uc2a4\ud06c\ub9bd\ud2b8:<\/h3>\n<p>#!\/bin\/bash \uc2a4\ud06c\ub9bd\ud2b8\uc5d0\uc11c \uba85\ub839\uc5b4 \ud574\uc11d\uae30\uac00 bash \uc258 \uc784\uc744 \ubbf8\ub9ac \uc54c\ub824\uc8fc\ub294 \uac83<\/p>","protected":false},"excerpt":{"rendered":"<p>Remark : shell \uc758 \uc885\ub958 \ubc0f \ucd94\uac00 \uc27d\uac8c \ud45c\ud604\ud558\uba74 \uc708\ub3c4\uc758 command.com(\uc2dc\uc791-\uc2e4\ud589-cmd)\uc774 \ud558\ub294 \uc5ed\ud560\ucc98\ub7fc login \uc774\ud6c4\ubd80\ud130 \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud558\ub294 \uba85\ub839\uc5b4\ub97c \uae30\uacc4\uc5b4\ub85c \ubcc0\uc5ed\ud558\uc5ec \ucee4\ub110\uc5d0 \uc804\ub2ec\ud558\ub294 \uc5ed\ud560\uc744 \ud558\ub294 \uba85\ub839\uc5b4 \ud574\uc11d\uae30\ub97c \ub9d0\ud55c\ub2e4. Shell\uc774\ub780 \ud55c\ub9c8\ub514\ub85c \uc0ac\uc6a9\uc790\uc640 \uc6b4\uc601\uccb4\uc81c \uc0ac\uc774\ub97c Interface\uc2dc\ud0a4\ub294 \ud558\ub098\uc758 \uc720\ud2f8\ub9ac\ud2f0 \ud504\ub85c\uadf8\ub7a8\uc774\ub2e4. \ub610\ud55c \uc258\uc740 \uc0ac\uc6a9\uc790\uac00 \uc785\ub825\ud55c \uba85\ub839 \ub77c\uc778\uc744 \uc77d\uc5b4\ub4e4\uc5ec \ud574\uc11d\ud558\uace0 \ub9ac\ub205\uc2a4 \uc2dc\uc2a4\ud15c\uc744 \ud1b5\ud574\uc11c \uba85\ub839 \ub77c\uc778\uc774 \uc2e4\ud589\ub418\uac8c \ud558\ub294 Command Interpreter\uc774\ub2e4. Kernel \uacfc &hellip;<br \/><a href=\"https:\/\/centos.ihavenomoney.co.kr\/?page_id=183\" class=\"more-link pen_button pen_element_default pen_icon_arrow_double\"><span class=\"screen-reader-text\">shell \uc758 \uc885\ub958 \ubc0f \ucd94\uac00<\/span> \ub354\ubcf4\uae30<\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"parent":8,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-183","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/183","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=183"}],"version-history":[{"count":17,"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/183\/revisions"}],"predecessor-version":[{"id":411,"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/183\/revisions\/411"}],"up":[{"embeddable":true,"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=\/wp\/v2\/pages\/8"}],"wp:attachment":[{"href":"https:\/\/centos.ihavenomoney.co.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=183"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}