10/14/2003

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Users
file /etc/master.passwd contains the user database (see vipw)
/etc/login.conf - login classes - user capabilities database

		FreeBSD	OpenBSD	NetBSD	Linux
root	Add a user	adduser pw useradd	adduser(8) useradd user add	useradd user add	useradd(8)
root	Change defaults for adduser	adduser -C	adduser -C(8)		useradd -D(8)
root	Delete a user	rmuser(8) pw userdel	rmuser(8) userdel user del	userdel user del	userdel(8)
user	Change user password	passwd(1)	passwd(1)	passwd(1)	passwd(1)
root user	Edit finger database information	chpass(1) chfn=chpass chsh=chpass	chpass(1) chfn(1)=chpass chsh(1)=chpass	chpass(1) chfn(1)=chpass chsh(1)=chpass	chfn(1) chsh(1)
root	Modify user database information	vipw	usermod vipw(8)	usermod vipw	usermod(8) chfn(1) chsh(1) vipw
user	View user database information	finger(1)	finger(1)	finger(1)	finger(1)
user	List user logged into this terminal	logname(1)	logname(1)	logname(1)	logname(1)
user	List logged in users	users(1) who(1) w(1) whoami=id -un id -un finger(1)	users(1) who(1) w(1) whoami(1)=id -un id-un finger(1)	users(1) who(1) w(1)(1) whoami(1)=id -un id -un(1) finger(1)	users(1) who(1) w(1) whoami(1)=id -un id -un(1) finger(1)
Summary of logins and reboots	last	last	last(1)
??	Display User Information	pw usershow	userinfo(8)	userinfo
??	last commands used	lastcomm	lastcomm(1)	lastcomm
??	Connect Time Accounting	ac	ac(8)	ac
??	Enable / Disable System Accounting	--	accton(8)	accton
??	Show Accounting Statistics	sa	sa(8)	sa	--
??	substitute user identity	su(1)	su(1)	su
??	Execute command as another user				sudo
??					sulogin