| alias | Shell command that prints a list of aliases to standard output. |
| history | Shell command that displays the history event list. |
| man | Displays information about commands, subroutines, and files online. |
| wsm | Performs system management from a web browser. |
| whatis | Describes the function a command performs. |
| whereis | Locates the source, binary, or manual for installed programs. |
| at | Runs commands at a later time, lists all scheduled processes, or removes a process from the schedule. |
| atq | Displays the queue of jobs waiting to be run. |
| kill | Sends a signal to running processes. |
| nice | Runs a command at a lower or higher priority. |
| ps | Shows current status of processes. |
| renice | Alters priority of running processes. |
Korn Shell or POSIX Shell Commands