shutdown -r now --- reboot
pwd --- shows what directory you are currently in.
filenames that begin with a dot (like .memphis) are hidden
ls -la --- this shows hidden files in listing
cat /etc/*-release --- this shows which version of linux you have
uname -a --- shows which kernel you are running
df --- shows disk size and available space on disk (disk free)
free --- shows amount of memory installed and amount free
The following commands added 14-March-2013:
su root - to switch to superuser
sudo usermod -a -G wheel margie (This
command ads margie to wheel group. The wheel group is the admin
group I think)
id username - shows info about user
/bin - many programs
/usr/bin/system-config-users -- this is graphical program to add/modify users (on LXDE fedora)
