Here I am sharing Linux bash built-in commands cheat sheet in PDF and image format.
Download Bash Built-in Commands Cheat Sheet in PDF and JPG
Linux Bash Built-in Commands List
| Command | Description |
|---|---|
| : | Expands listed arguments and redirects as specified. |
| . | Reads and executes commands from a designated file in the current shell. |
| alias | Defines an alias for the specified command. |
| bg | Resumes a job in background mode. |
| bind | Binds a keyboard sequence to a read line function or macro. |
| break | Exits from a for, while, select, or until loop. |
| builtin | Executes the specified shell built-in command. |
| caller | Returns the context of any active subroutine call. |
| cd | Changes the current directory to the specified directory. |
| command | Executes the specified command without the normal shell lookup. |
| compgen | Generates possible completion matches for the specified word. |
| complete | Displays how the specified words would be completed. |
| compopt | Changes options for how the specified words would be completed. |
| continue | Resumes the next iteration of a for, while, select, or until loop. |
| declare | Declares a variable or variable type. |
| dirs | Displays a list of currently remembered directories. |
| disown | Removes the specified jobs from the jobs table for the process. |
| echo | Displays the specified string to STDOUT. |
| enable | Enables or disables the specified built-in shell command. |
| eval | Concatenates the specified arguments into a single command, and executes the command. |
| exec | Replaces the shell process with the specified command. |
| exit | Forces the shell to exit with the specified exit status. |
| export | Sets the specified variables to be available for child shell processes. |
| fc | selects a list of commands from the history list. |
| fg | Resumes a job in foreground mode. |
| getopts | Parses the specified positional parameters. |
| hash | Finds and remembers the full pathname of the specified command. |
| help | Displays a help file. |
| history | Displays the command history. |
| jobs | Lists active jobs. |
| kill | Sends a system signal to the specified process ID (PID). |
| let | Evaluates each argument in a mathematical expression. |
| local | Creates a limited-scope variable in a function. |
| logout | Exits a login shell. |
| mapfile | Reads STDIN lines and puts them into an indexed array. |
| popd | Removes entries from the directory stack. |
| printf | Displays text using formatted strings. |
| pushd | Adds a directory to the directory stack. |
| pwd | Displays the pathname of the current working directory. |
| read | Reads one line of data from STDIN, and assigns it to a variable. |
| readarray | Reads STDIN lines, and puts them into an indexed array. |
| readonly | Reads one line of data from STDIN, and assigns it to a variable that can't be changed. |
| return | Forces a function to exit with a value that can be retrieved by the calling script. |
| set | Sets and displays environment variable values and shell attributes. |
| shift | Rotates positional parameters down one position. |
| shopt | Toggles the values of variables controlling optional shell behavior. |
| source | Reads and executes commands from a designated file in the current shell. |
| suspend | Suspends the execution of the shell until a SIGCONT signal is received. |
| test | Returns an exit status of 0 or 1 based on the specified condition. |
| times | Displays the accumulated user and system shell time. |
| trap | Executes the specified command if the specified system signal is received. |
| type | Displays how the specified words would be interpreted if used as a command. |
| typeset | Declares a variable or variable type. |
| ulimit | Sets a limit on the specific resource for system users. |
| umask | Sets default permissions for newly created files and directories. |
| unalias | Removes specified alias. |
| unset | Removes the specified environment variable or shell attribute. |
| wait | Waits for the specified process to complete, and returns the exit status. |
