复制[root@localhost ~]# man -k who at.allow [at] (5) - determine who can submit jobs via at or batch at.deny [at] (5) - determine who can submit jobs via at or batch jwhois (1) - client for the whois service jwhois (rpm) - Internet whois/nicname client. Net::LDAP::Extension::WhoAmI (3pm) - LDAP Who am I?命令 Operation w (1) - Show who is logged on and what they are doing who (1p) - display who is on the system who (1) - show who is logged on whoami (1) - print effective userid [root@localhost ~]# apropos who at.allow [at] (5) - determine who can submit jobs via at or batch at.deny [at] (5) - determine who can submit jobs via at or batch jwhois (1) - client for the whois service jwhois (rpm) - Internet whois/nicname client. Net::LDAP::Extension::WhoAmI (3pm) - LDAP Who am I? Operation w (1) - Show who is logged on and what they are doing who (1p) - display who is on the system who (1) - show who is logged on whoami (1) - print effective userid 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.