| ☐ | chd path | Change current data directory |
| ☐ | chx path | Change executable directory |
| ☐ | ex modname | Execute modulename in place of current shell |
| ☐ | w | Wait for process to end |
| ☐ | kill procid | Signal process to end |
| ☐ | setpr procid | Change process priority |
| ☐ | x | Abort shell on any error |
| ☐ | -x | Do not abort on any error |
| ☐ | p | Prompt and messages on |
| ☐ | -p | Prompt and messages off |
| ☐ | t | Copy / tee input to output |
| ☐ | -t | Do not copy / tee input to output |