Su
From Systerserver
SU
- switch user
- eg when logged in as betty, "su billy" will let you log in as billy
- "su root" is the same as "su -" isa "su"
SUDO
- superuser do
- sudo su isa sudo -, isa sudo
- use sudosh to log all commands typed into new shells
- GKSu and GKsudo are graphical frontends to su and sudo (there are more)