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^ Command                           ^ Description                                               ^ Heading       ^
^ [[unix_commands:awk|awk]]         | The **//awk//** command is used to scan each input file for lines that match any of a set of patterns | |
^ [[unix_commands:pwd|pwd]]         | The **//pwd//** command is used to show the path of the current directory | **p**rint **w**orking **d**irectory|
^ [[unix_commands:cd|cd]]           | The **//cd//** command is used to change the current working directory | **c**hange **d**irectory |
^ [[unix_commands:ls|ls]]           | The **//ls//** command is used to list directory contents |    |
^ [[unix_commands:cal|cal]]         | The **//cal//** command is used to display a calendar of the current month or a specific month and year.     | **cal**endar |
^ [[unix_commands:cat|cat]]         | The **//cat//** command is used to print (show) files     |               |
^ [[unix_commands:cp|cp]]           | The **//cp//** command is used to copy files or/and directories   | **c**o**p**y  |
^ [[unix_commands:mv|mv]]           | The **//mv//** command is used to move (or rename) files or/and directories | **m**o**v**e |
^ [[unix_commands:mkdir|mkdir]]     | The **//mkdir//** command allows users to create or make new directories     | **m**a**k**e **dir**ectory |
^ [[unix_commands:rm|rm]]           | The **//rm//** command is used to remove objects such as files, directories and symbolic links | remove |
^ [[unix_commands:touch|touch]]     | The **//touch//** command is used to change file access, change and modify timestamps of a file | touch file |
^ [[unix_commands:locate|locate]]   | The **//locate//** command is used to quickly find filenames and directories | |
^ [[unix_commands:find|find]]       | The **//find//** command is used to locate files based on some specific criteria and either prints or performs another action as requested  | |
^ [[unix_commands:file|file]]       | The **//file//** command is used to determine the type of a file  | |
^ [[unix_commands:grep|grep]]       | The **//grep//** command is for searching plain-text data sets for lines that match a regular expression | file pattern searcher |
^ [[unix_commands:sed|sed]]       | The **//sed//** command is used for text processing | |
^ [[unix_commands:sort|sort]]       | The **//sort//** command is to sort or merge records (lines) of text and binary files | |
^ [[unix_commands:sudo|sudo]]       | The **//sudo//** command is generally used as a prefix of some command that only superuser is allowed to run | |
^ [[unix_commands:su|su]]  | The **//su//** command is used to switch to another user or the root | **su**bstitute user identity |
^ [[unix_commands:df|df]]       | The **//df//** command displays disk space usage and other elements of the file system | short for **d**isk **f**ree |
^ [[unix_commands:du|du]]       | The **//du//** command displays the number of blocks used for files | |
^ [[unix_commands:head|head]]       | The **//head//** command is used to display first lines of a file (header)  | |
^ [[unix_commands:hostnamectl|hostnamectl]]       | The **//hostnamectl//** command is used to query and change the Linux system hostname and related settings | |
^ [[unix_commands:tail|tail]]       | The **//tail//** command is used to display the last parts of a file (footer) | |
^ [[unix_commands:diff|diff]]       | The **//diff//** command is used to compare two files line by line and display the difference between them  | |
^ [[unix_commands:tar|tar]]       | The **//tar//** command is used to compress a group of files into an archive.  | |
^ [[unix_commands:zip|zip]]      | The **//zip//** is a compression and file packaging utility for Unix  |    |
^ [[unix_commands:unzip|unzip]]  | The **//unzip//** command extracts files from the specific ZIP archive |  |
^ [[unix_commands:chmod|chmod]]  | The **//chmod//** command is used to change file modes (permissions) of a file or directory | |
^ [[unix_commands:chown|chown]]       | The **//chown//** is used to change owner, change the user or/and group ownership of each given file | |
^ [[unix_commands:jobs|jobs]]       | The **//jobs//** is a shell built-in command used to list the jobs that are running in the background and in the foreground | |
^ [[unix_commands:ps|ps]]       | The **//ps//** command displays the currently-running processes | process status     |
^ [[unix_commands:kill|kill]]       | The **//kill//** is a command used to terminate or send signals to running processes | kill process_id_# |
^ [[unix_commands:passwd|passwd]]       | The **//passwd//** is a command used to change user's password | passwd username |
^ [[unix_commands:ping|ping]]       | The **//ping//** is a command used to troubleshoot and diagnose network connectivity issues | ping hostname |
^ [[unix_commands:wget|wget]]       | The **//wget//** is used to retrieve contents from the server. It is a non-interactive network downloader | Its name derives from "World Wide Web" and "get" |
^ [[unix_commands:uname|uname]]       | The **//uname//** is a command to show the CPU architecture, hostname, and the version of the kernel of the kernel running on the system | **u**nix **name** |
^ [[unix_commands:uniq|uniq]]       | The **//uniq//** is a command to report or filter out repeated lines in a file | **uniq**ue |
^ [[unix_commands:top|top]]       | The **//top//** command is used to display and update information about the top CPU processes   |               |
^ [[unix_commands:history|history]] | The **//history//** command is used to display history of all (executed) commands | |
^ [[unix_commands:man|man]]       | The **//man//** is used to display online manual documentation pages | **man**ual |
^ [[unix_commands:echo|echo]]       | The **//echo//** is used to display line or text/string that are passed as an argument | write arguments to the standard output |
^ [[unix_commands:hostname|hostname]]       | The **//hostname//** is a command to set or print name of current host system  | **//hostnamectl//** for Linux |
^ [[unix_commands:useradd|useradd]]       | The **//useradd//** is a command to add user accounts to your system | |
^ [[unix_commands:userdel|userdel]]       | The **//userdel//** is a command to delete user accounts   | |
^ [[unix_commands:w|w]]       | The **//w//** command is to view who is logged in and what they are currently doing     | |
^ [[unix_commands:wc|wc]]       | The **//wc//** command is used to count the number of lines, words, and characters in a file or input. | |
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