| date | U |
| Print the system date and time | |
| hostname | U |
| Show the system's host name | |
| last[-n] [name] | U |
| Indicate last logins by user name (limit output to n lines). | |
| plan [-h] [-d] [-v] [-t [date [n]]] | P |
| plan [mmdd]hhmm [message] | |
| Interactive X/Motif calendar and day planner. Without arguments it starts up with a calendar window. With options it displays a help text (-h), version information (-v), X resources (-d) or appointments (-t) for (n days starting with) date (or today). With a time argument it adds an appointment. | |
| uname [-snrvma] | U |
| Print system information (sysname, nodename, release, version, machine, all) | |
| uptime | U |
| Tell how long the system has been running and the average load over the last 1, 5 and 15 minutes. | |
| w [-hsu] [name] | U |
| Show who is logged on and what they are doing (preferred over who). | |
| who | U |
| Show who is logged on. Options and output vary with the UNIX flavor. | |
| whoami | U |
| Print effective userid (can be different from login userid, see su). | |
| ypcat [-k] [mapname] | U |
| List all values stored in (NIS) mapname. Option -k displays also map keys. | |
| yplist [-s] [netgroup] | N |
| List contents of netgroup (in NIS map netgroup). With option -s list subgroups of netgroup or the primary groups. | |
| ypmatch [-k] key mapname | U |
| Print key values in NIS map mapname. Typical usage: ypmatch username passwd |