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   6 .TH RWHO 1 "April 9, 2016"
   7 .SH NAME
   8 rwho \- who is logged in on local machines
   9 .SH SYNOPSIS
  10 .LP
  11 .nf
  12 \fBrwho\fR [\fB-a\fR]
  13 .fi
  14 
  15 .SH DESCRIPTION
  16 .LP
  17 The \fBrwho\fR command produces output similar to \fBwho\fR(1), but for all
  18 machines on your network.  If no report has been received from a machine for 5
  19 minutes, \fBrwho\fR assumes the machine is down, and does not report users last
  20 known to be logged into that machine.
  21 .sp
  22 .LP
  23 If a user has not typed to the system for a minute or more, \fBrwho\fR reports
  24 this idle time.  If a user has not typed to the system for an hour or more, the
  25 user is omitted from the output of \fBrwho\fR unless the \fB-a\fR flag is
  26 given.
  27 .SH OPTIONS
  28 .ne 2
  29 .na
  30 \fB\fB-a\fR\fR
  31 .ad
  32 .RS 6n
  33 Report all users whether or not they have typed to the system in the past hour.
  34 .RE
  35 
  36 .SH FILES
  37 .ne 2
  38 .na
  39 \fB\fB/var/spool/rwho/whod.*\fR\fR
  40 .ad
  41 .RS 26n
  42 information about other machines
  43 .RE
  44 
  45 .SH SEE ALSO
  46 .LP
  47 \fBfinger\fR(1), \fBruptime\fR(1), \fBwho\fR(1), \fBin.rwhod\fR(1M),
  48 \fBattributes\fR(5)
  49 .SH NOTES
  50 .LP
  51 \fBrwho\fR does not work through gateways.
  52 .sp
  53 .LP
  54 The directory \fB/var/spool/rwho\fR must exist on the host from which
  55 \fBrwho\fR is run.
  56 .sp
  57 .LP
  58 This service takes up progressively more network bandwidth as the number of
  59 hosts on the local net increases. For large networks, the cost becomes
  60 prohibitive.
  61 .sp
  62 .LP
  63 The \fBrwho\fR service daemon, \fBin.rwhod\fR(1M), must be enabled for this
  64 command to return useful results.