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Index: head/usr.bin/who/who.1
===================================================================
--- head/usr.bin/who/who.1
+++ head/usr.bin/who/who.1
@@ -28,7 +28,7 @@
.\" @(#)who.1 8.2 (Berkeley) 12/30/93
.\" $FreeBSD$
.\"
-.Dd February 11, 2012
+.Dd August 30, 2020
.Dt WHO 1
.Os
.Sh NAME
@@ -80,7 +80,7 @@
.El
.It Fl u
Show idle time for each user in hours and minutes as
-.Ar hh Ns : Ns Ar mm ,
+.Ar hh : Ns Ar mm ,
.Ql \&.
if the user has been idle less than a minute, and
.Dq Li old
@@ -140,6 +140,47 @@
.El
.Sh EXIT STATUS
.Ex -std
+.Sh EXAMPLES
+Show a brief summary of who is logged in:
+.Bd -literal -offset indent
+$ who -q
+fernape root root
+# users = 3
+.Ed
+.Pp
+Show who is logged in along with the line and time fields (without the headers):
+.Bd -literal -offset indent
+$ who -s
+fernape ttyv0 Aug 26 16:23
+root ttyv1 Aug 26 16:23
+root ttyv2 Aug 26 16:23
+.Ed
+.Pp
+Show information about the terminal attached to standard input:
+.Bd -literal -offset indent
+$ who am i
+fernape Aug 26 16:24
+.Ed
+.Pp
+Show time and date of the last system reboot, whether the users accept messages
+and the idle time for each of them:
+.Bd -literal -offset indent
+$ who -a
+ - system boot Aug 26 16:23 .
+fernape - ttyv0 Aug 26 16:23 .
+root - ttyv1 Aug 26 16:23 .
+root - ttyv2 Aug 26 16:23 .
+.Ed
+.Pp
+Same as above but showing headers:
+.Bd -literal -offset indent
+$ who -aH
+NAME S LINE TIME IDLE FROM
+ - system boot Aug 26 16:23 .
+fernape - ttyv0 Aug 26 16:23 .
+root - ttyv1 Aug 26 16:23 00:01
+root - ttyv2 Aug 26 16:23 00:01
+.Ed
.Sh SEE ALSO
.Xr last 1 ,
.Xr users 1 ,

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