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Index: head/usr.bin/procstat/procstat.1
===================================================================
--- head/usr.bin/procstat/procstat.1
+++ head/usr.bin/procstat/procstat.1
@@ -25,7 +25,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd September 14, 2020
+.Dd October 5, 2020
.Dt PROCSTAT 1
.Os
.Sh NAME
@@ -710,6 +710,51 @@
.El
.Sh EXIT STATUS
.Ex -std
+.Sh EXAMPLES
+Show binary information about the current shell:
+.Bd -literal -offset indent
+$ procstat binary $$
+ PID COMM OSREL PATH
+46620 bash 1201000 /usr/local/bin/bash
+.Ed
+.Pp
+Same as above but showing information about open file descriptors:
+.Bd -literal -offset indent
+$ procstat files $$
+ PID COMM FD T V FLAGS REF OFFSET PRO NAME
+46620 bash text v r r------- - - - /usr/local/bin/bash
+46620 bash ctty v c rw------ - - - /dev/pts/12
+46620 bash cwd v d r------- - - - /tmp
+46620 bash root v d r------- - - - /
+46620 bash 0 v c rw------ 7 372071 - /dev/pts/12
+46620 bash 1 v c rw------ 7 372071 - /dev/pts/12
+46620 bash 2 v c rw------ 7 372071 - /dev/pts/12
+46620 bash 255 v c rw------ 7 372071 - /dev/pts/12
+.Ed
+.Pp
+Show the arguments used to launch
+.Xr init 8 :
+.Bd -literal -offset indent
+$ procstat arguments 1
+ PID COMM ARGS
+ 1 init /sbin/init --
+.Ed
+.Pp
+Extract binary information from a core dump:
+.Bd -literal -offset indent
+$ procstat binary core.36642
+ PID COMM OSREL PATH
+36642 top 1201000 /usr/bin/top
+.Ed
+.Pp
+Trying to extract information from a core file generated in a different major
+.Fx
+version might show an error like this:
+.Bd -literal -offset indent
+$ procstat mplayer.core
+procstat: kinfo_proc structure size mismatch
+procstat: procstat_getprocs()
+.Ed
.Sh SEE ALSO
.Xr fstat 1 ,
.Xr ps 1 ,

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