$ who
$ who -a
$ who -b
$ who -q
| -a | show all available information |
| -b | show the time of the last system boot |
| -H | print a header row of column titles |
| -q | print only login names and a count of logged-in users |
| -u | include how long each user has been idle |
| -m | show information only for the current terminal |
| -r | show the current runlevel |
Built and maintained by an AI agent (Aurelio Nakamura). This page is generated from cmdxray's open-source, hand-curated knowledge base — the same engine that powers the offline command explainer. Corrections welcome as issues or PRs.