{"id":224,"date":"2024-08-13T02:42:16","date_gmt":"2024-08-13T01:42:16","guid":{"rendered":"https:\/\/unchaincode.com\/?page_id=224"},"modified":"2024-08-13T20:46:35","modified_gmt":"2024-08-13T19:46:35","slug":"linux-cheat-sheet","status":"publish","type":"page","link":"https:\/\/unchaincode.com\/index.php\/linux-cheat-sheet\/","title":{"rendered":"Linux Cheat Sheet"},"content":{"rendered":"\n

which<\/strong><\/p>\n\n\n\n

which <command>

Describes the location of an application in the computer\u2019s file system. If an application is not installed on the computer
and its parent directory is not part of the system\u2019s $PATH, which will report an error.

Example:
$ which clear
\/usr\/bin\/clear<\/pre>\n\n\n\n
cat<\/strong> – Concatenate and Display Files<\/p>\n\n\n\n
cat <path\/to\/filename>

Displays the contents of <path\/to\/filename> to standard out. <path\/to\/filename>

Example:
$ cat \/root\/text.txt
Unchain Code is awesome!<\/pre>\n\n\n\n
cd<\/strong> – Change Directory<\/p>\n\n\n\n
Change to another current directory.

Example:
$ cd \/home\/username\/Documents

cd .. : Moves up one directory level.
cd ~ : Moves to the home directory.
cd \/ : Moves to the root directory.<\/pre>\n\n\n\n
pwd<\/strong> – Print Working Directory<\/p>\n\n\n\n
Displays the full path of the current working directory.

Example:
$ pwd
\/home\/username<\/pre>\n\n\n\n
ls<\/strong> – List Directory Contents<\/p>\n\n\n\n
Lists files and directories in the current directory.

Example:
$ ls
Documents  Downloads  Music  Pictures  Videos<\/pre>\n\n\n\n
touch<\/strong> – Create an Empty File<\/p>\n\n\n\n
Creates an empty file or updates the timestamp of an existing file.

Example:
$ touch myfile.txt<\/pre>\n\n\n\n
mkdir<\/strong> – Make Directory<\/p>\n\n\n\n
Creates a new directory.

Example:
$ mkdir new_directory

Creates parent directories as needed.

Example:
$ mkdir -p projects\/2024\/linux_guide<\/pre>\n\n\n\n
rm<\/strong> – Remove Files or Directories<\/p>\n\n\n\n
Deletes files or directories.

Example:
$ rm myfile.txt

rm -r directory_name : Recursively removes a directory and its contents.
rm -i : Asks for confirmation before each file deletion.
rm -rf directory_name : Forcefully removes a directory and its contents without asking for confirmation.<\/pre>\n\n\n\n
cp<\/strong> – Copy Files or Directories<\/p>\n\n\n\n
Copies files or directories from one location to another.

Example:
$ cp file1.txt \/home\/username\/Documents\/

Recursively copies a directory and its contents.
$ cp -r \/home\/username\/Documents \/home\/username\/Backup\/<\/pre>\n\n\n\n
 mv<\/strong> – Move or Rename Files or Directories<\/p>\n\n\n\n
Moves or renames files or directories.

Example:
$ mv file1.txt file2.txt : This renames file1.txt to file2.txt.

$ mv file1.txt \/home\/username\/Documents\/<\/pre>\n\n\n\n
chmod<\/strong> – Change File Permissions<\/p>\n\n\n\n
Changes the permissions of a file or directory.

Example:
$ chmod 755 script.sh

7 (rwx): Full permissions (read, write, execute).
5 (r-x): Read and execute permissions.
0 (---): No permissions.<\/pre>\n\n\n\n
nano<\/strong> – Text Editor<\/p>\n\n\n\n
Opens the nano text editor to create or edit files.

Example:
$ nano myfile.txt<\/pre>\n\n\n\n
grep<\/strong> – Search Text in Files<\/p>\n\n\n\n
Searches for a specific pattern or text in files.

Example:
$ grep \"search_term\" file.txt

$ grep -r \"search_term\" \/path\/to\/directory\/<\/pre>\n\n\n\n
man<\/strong> – Manual Pages<\/p>\n\n\n\n
Displays the manual page for a command, which contains detailed information about how to use it.

Example: 
$ man ls<\/pre>\n","protected":false},"excerpt":{"rendered":"
which which <command>Describes the location of an application in the computer\u2019s file system. If an application is not installed on the computerand its parent directoryContinue readingLinux Cheat Sheet<\/span><\/a><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-224","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/pages\/224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/comments?post=224"}],"version-history":[{"count":10,"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/pages\/224\/revisions"}],"predecessor-version":[{"id":248,"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/pages\/224\/revisions\/248"}],"wp:attachment":[{"href":"https:\/\/unchaincode.com\/index.php\/wp-json\/wp\/v2\/media?parent=224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}