| uucc | — | — | Compile UUCP configuration files |
| uucico daemon | — | — | Process UUCP file transfer requests |
| uucp | — | XPG4.2 | Copy files between remote UUCP systems |
| uucpd | — | — | Invoke uucico for TCP/IP connections from remote UUCP systems |
| uulog | — | XPG4.2 | Display log information about UUCP events |
| uuname | — | XPG4.2 | Display list of remote UUCP systems |
| uupick | — | XPG4.2 | Manage files sent by uuto and uucp |
| uustat | — | XPG42 | Display status of pending UUCP transfers |
| uuto | — | XPG42 | Copy files to users on remote UUCP systems |
| uux | — | XPG42 | Request command execution on remote UUCP systems |
| uuxqt daemon | — | — | Carry out command requests from remote UUCP systems |