subcommands:
update-known_hosts (k) [HOST]... update known_hosts file
update-authorized_keys (a) update authorized_keys file
- gen-subkey (g) KEYID generate an 'a' capable subkey
+ gen-subkey (g) [KEYID] generate an authentication subkey
--length (-l) BITS key length in bits (2048)
--expire (-e) EXPIRE date to expire
help (h,?) this help
gen_subkey "$@"
;;
- 'help'|'h'|'?')
+ '--help'|'help'|'-h'|'h'|'?')
usage
;;