Index: sbin/md5/md5.1
===================================================================
--- sbin/md5/md5.1
+++ sbin/md5/md5.1
@@ -95,6 +95,42 @@
 and 2 if at least one file does not have the same hash as the
 .Fl c
 option.
+.Sh EXAMPLES
+Calculate the md5 checksum of the string Hello.
+.Bd -literal -offset indent
+$ md5 -s Hello
+MD5 ("Hello") = 8b1a9953c4611296a827abf8c47804d7
+.Ed
+.Pp
+Same as above.
+Note the absence of \\n in the input string:
+.Bd -literal -offset indent
+$ echo -n Hello | md5
+8b1a9953c4611296a827abf8c47804d7
+.Ed
+.Pp
+Calculate the checksum of multiple files reversing the output:
+.Bd -literal -offset indent
+$ md5 -r /boot/loader.conf /etc/rc.conf
+ada5f60f23af88ff95b8091d6d67bef6 /boot/loader.conf
+d80bf36c332dc0fdc479366ec3fa44cd /etc/rc.conf
+.Ed
+.Pp
+Write digest for file /boot/loader.conf in a file named digest.
+Then calculate the checksum again and validate against the checksum string
+extracted from the digest file:
+.Bd -literal -offset indent
+$ md5 /boot/loader.conf > digest && md5 -c $(cut -f2 -d= digest)
+/boot/loader.conf
+MD5 (/boot/loader.conf) = ada5f60f23af88ff95b8091d6d67bef6
+.Ed
+.Pp
+Same as above but using randomstring to compare with to make it fail:
+.Bd -literal -offset indent
+$ md5 /boot/loader.conf > digest && md5 -c randomstring
+/boot/loader.conf
+MD5 (/boot/loader.conf) = ada5f60f23af88ff95b8091d6d67bef6 [ Failed ]
+.Ed
 .Sh SEE ALSO
 .Xr cksum 1 ,
 .Xr md5 3 ,