1W(1)                             User Commands                            W(1)
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NAME

6       w - Show who is logged on and what they are doing.
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SYNOPSIS

9       w [options] user [...]
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DESCRIPTION

12       w  displays  information  about the users currently on the machine, and
13       their processes.  The header shows, in this order,  the  current  time,
14       how  long  the  system  has  been running, how many users are currently
15       logged on, and the system load averages for the past 1, 5, and 15  min‐
16       utes.
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18       The  following entries are displayed for each user: login name, the tty
19       name, the remote host, login time, idle time, JCPU, PCPU, and the  com‐
20       mand line of their current process.
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22       The  JCPU  time  is the time used by all processes attached to the tty.
23       It does not include past background jobs, but  does  include  currently
24       running background jobs.
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26       The  PCPU  time  is  the time used by the current process, named in the
27       "what" field.
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COMMAND-LINE OPTIONS

30       -h, --no-header
31              Don't print the header.
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33       -u, --no-current
34              Ignores the username while figuring out the current process  and
35              cpu times.  To demonstrate this, do a "su" and do a "w" and a "w
36              -u".
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38       -s, --short
39              Use the short format.  Don't print the login time, JCPU or  PCPU
40              times.
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42       -f, --from
43              Toggle  printing  the from (remote hostname) field.  The default
44              as released is for the from field to not  be  printed,  although
45              your  system  administrator  or distribution maintainer may have
46              compiled a version in which the from field is shown by default.
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48       --help Display help text and exit.
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50       -i, --ip-addr
51              Display IP address instead of hostname for from field.
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53       -V, --version
54              Display version information.
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56       -o, --old-style
57              Old style output.  Prints blank space for idle times  less  than
58              one minute.
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60       user   Show information about the specified user only.
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ENVIRONMENT

63       PROCPS_USERLEN
64              Override  the default width of the username column.  Defaults to
65              8.
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67       PROCPS_FROMLEN
68              Override the default width of the from column.  Defaults to 16.
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FILES

71       /var/run/utmp
72              information about who is currently logged on
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74       /proc  process information
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SEE ALSO

77       free(1), ps(1), top(1), uptime(1), utmp(5), who(1)
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AUTHORS

80       w was re-written almost entirely by Charles Blake, based on the version
81       by Larry Greenfield ⟨greenfie@gauss.rutgers.edu⟩ and Michael K. Johnson
82       ⟨johnsonm@redhat.com⟩
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REPORTING BUGS

85       Please send bug reports to ⟨procps@freelists.org⟩
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89procps-ng                          May 2012                               W(1)
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