-----
USERS / ENVIRONMENT
-----
passwd -f Change current users gecos (user description)
passwd -s Change current users shell
chfn (username) Changes users gecos
chsh (username) (shell) Changes users shell
env Displays values of environment variables
printenv
id Displays current user's uid and gid details
id (user) Displays user uid and gid details
whoami Displays current user details
who am i (or who -m)
who Displays details of all users currently logged in.
w
who -b Displays system reboot time
uptime Displays number of users logged in, time since last
reboot, and the machine load averages.
lsuser ALL Lists all users details
lsuser (username) Lists details for user
lsuser -a(attribute) (username or ALL) Lists user attributes
lsuser -a home ALL
mkuser -a(attributes) (newuser) Add a new user
chuser (attributes) (user) Change a user
chuser login=false (user) Lock a user account
rmuser -p (user) Removes a user and all entries in security files
usrck -t ALL Checks all the user entires are okay.
fuser -u (logical volume) Displays processes using the files in that LV
fuser -k /dev/lv02 Will send a kill signal to all processes using
/dev/lv02
lsattr -D -l sys0 -a maxuproc Displays max number of processes per user
chdev -l sys0 -a maxuproc=(number) Changes max number of processes per user
chlang (language) Changes the language settings for system or user.
En_GB = PC850 code pages
en_GB = ISO8859 code pages (Great Britain)
C = posix
su - (user) Switch to new user and change to the new users environment.
su (user) Switch to new user, current environment is propated to the
new shell.
-----
REMOTE USERS
-----
ruser -a -f (user) Adds entry into /etc/ftpusers file
ruser -a -p (host) Adds entry into /etc/host.lpd file
ruser -a -r (host) Adds entry into /etc/hosts.equiv file
ruser -d -f (user) Deletes entry in /etc/ftpusers file
ruser -d -p (host) Deletes entry in /etc/host.lpd file
ruser -d -r (host) Deletes entry in /etc/hosts.equiv file
ruser -s -F Shows all entries in /etc/ftpusers file
ruser -s -P Shows all entries in /etc/host.lpd file
ruser -s -R Shows all entries in /etc/hosts.equiv file
ruser -X -F Deletes all entries in /etc/ftpusers file
ruser -X -P Deletes all entries in /etc/host.lpd file
ruser -X -R Deletes all entries in /etc/hosts.equiv file
