difference between su and su -
 

What's the difference between su and su -? I know su - gives you full root privileges while the other does. Can anyone ellaborate on this more? Thanks.

They both give you full root privileges, but with "su" you don't inherit all of roots paths.

"su" gives you root permissions, while "su -" is much more an entire login -- you are dumped into /root, your prompt (if different than the normal user prompt) will change, and as was mentioned, you will have all of root's path variable at your disposal.

when u r su - u can run commands in /sbin
when u r su u cannot
eg :/sbin/ifconfig (will wprk whenm u r su -)
and the same will not work when u r su

what about sux?

Sux seems to be a suse specific app that appears to be some sort of combination between the "xhost +" and "su" commands. Search in the Suse documentation online for more accurate info.