Created attachment 221537 [details] Possible patch 'ifconfig' displayed usage is incomplete and does not match the synopsis in the man page. Steps to Reproduce: Execute 'ifconfig' with invalid options and compare with man page synopsis. Actual Results: root@FreeBSD_head:/usr/src # ifconfig -Z ifconfig: illegal option -- Z usage: ifconfig [-f type:format] [-g groupname] [-C] [-L] interface address_family [address [dest_address]] [parameters] ifconfig interface create ifconfig -a [-g groupname] [-C] [-L] [-d] [-m] [-u] [-v] [address_family] ifconfig -l [-d] [-u] [address_family] ifconfig [-g groupname] [-C] [-L] [-d] [-m] [-u] [-v] root@FreeBSD_head:/usr/src # Expected Results: root@FreeBSD_head:/usr/src # ifconfig -Z ifconfig: illegal option -- Z usage: ifconfig [-f type:format[,type:format]] [-L] [-k] [-m] [-n] interface [create] address_family [address [dest_address]] [parameters] ifconfig interface destroy ifconfig -a [-L] [-d] [-g groupname] [-m] [-u] [-v] [address_family] ifconfig -l [-d] [-u] [address_family] ifconfig [-L] [-d] [-k] [-m] [-u] [-v] [-C] ifconfig [-g groupname] root@FreeBSD_head:/usr/src # N.B.Patched ifconfig is displayed and matches the man page synopsis. Build Date & Hardware: root@FreeBSD_head:/usr/src # uname -a FreeBSD FreeBSD_head 13.0-CURRENT FreeBSD 13.0-CURRENT #5 r369005: Wed Jan 13 10:20:13 EST 2021 root@FreeBSD_head:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64 Additional Information: