The commands listed below are built into the WRspice shell, or control shell operation.
| Shell Commands | |
| alias | Create alias | 
|---|---|
| cd | Change directory | 
| echo | Print string | 
| echof | Print string to file | 
| history | Print command history | 
| pause | Pause script execution | 
| pwd | Print the current working dirsctory | 
| rehash | Update command database | 
| set | Set a variable | 
| shell | Execute operating system commands | 
| shift | Shift argument list | 
| unalias | Destroy alias | 
| unset | Unset a variable | 
| usrset | Print list of internally used variables |