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Index: usr.bin/time/time.1
===================================================================
--- usr.bin/time/time.1
+++ usr.bin/time/time.1
@@ -129,6 +129,62 @@
.Nm
encounters any other error, the exit status is between 1 and 125
included.
+.Sh EXAMPLES
+Time the execution of
+.Xr ls 1
+on an empty directory:
+.Bd -literal -offset indent
+$ /usr/bin/time ls
+ 0.00 real 0.00 user 0.00 sys
+.Ed
+.Pp
+Time the execution of the
+.Xr cp 1
+command and store the result in the
+.Pa times.txt
+file.
+Then execute the command again to make a new copy and add the result to the same
+file:
+.Bd -literal -offset indent
+$ /usr/bin/time -o times.txt cp FreeBSD-12.1-RELEASE-amd64-bootonly.iso copy1.iso
+$ /usr/bin/time -a -o times.txt cp FreeBSD-12.1-RELEASE-amd64-bootonly.iso copy2.iso
+.Ed
+.Pp
+The
+.Pa times.txt
+file will contain the times of both commands:
+.Bd -literal -offset indent
+$ cat times.txt
+ 0.68 real 0.00 user 0.22 sys
+ 0.67 real 0.00 user 0.21 sys
+.Ed
+.Pp
+Time the
+.Xr sleep 1
+command and show the results in a human friendly format.
+Show the contents of the
+.Em rusage
+structure too:
+.Bd -literal -offset indent
+$ /usr/bin/time -l -h -p sleep 5
+real 5.01
+user 0.00
+sys 0.00
+ 0 maximum resident set size
+ 0 average shared memory size
+ 0 average unshared data size
+ 0 average unshared stack size
+ 80 page reclaims
+ 0 page faults
+ 0 swaps
+ 1 block input operations
+ 0 block output operations
+ 0 messages sent
+ 0 messages received
+ 0 signals received
+ 3 voluntary context switches
+ 0 involuntary context switches
+.Ed
.Sh SEE ALSO
.Xr builtin 1 ,
.Xr csh 1 ,

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