Korn shell or POSIX shell regular built-in commands
The following is a list of the Korn shell or POSIX shell regular built-in commands.
| Item | Description |
|---|---|
| alias | Prints a list of aliases to standard output. |
| bg | Puts specified jobs in the background. |
| cd | Changes the current directory to the specified directory or substitutes the current string with the specified string. |
| echo | Writes character strings to standard output. |
| fc | Selects a range of commands from the last HISTSIZE variable command typed at the terminal. Re-executes the specified command after old-to-new substitution is performed. |
| fg | Brings the specified job to the foreground. |
| getopts | Checks the Argument parameter for legal options. |
| jobs | Lists information for the specified jobs. |
| kill | Sends the TERM (terminate) signal to specified jobs or processes. |
| let | Evaluates specified arithmetic expressions. |
| Prints shell output. | |
| pwd | Equivalent to the print -r -$PWD command. |
| read | Takes shell input. |
| ulimit | Sets or displays user process resource limits as defined in the /etc/security/limits file. |
| umask | Determines file permissions. |
| unalias | Removes the parameters in the list of names from the alias list. |
| wait | Waits for the specified job and terminates. |
| whence | Indicates how each specified name would be interpreted if used as a command name. |
For more information, see Korn shell or POSIX shell built-in commands.