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This directory is the place to start when looking for a
particular application on your system, to handle troubleshooting, desktop icon placing,
and everything in between.
Variable Data: The /var Directory
The /var directory holds subdirectories used by various system services for spooling and
logging. Some of the files in this directory are temporary, like a printer queue spooler file.
System and kernel logs keep much longer and so are renamed and rotated through periodically.
Incoming local email is usually directed to /var/spool/mail as well.
Linux also uses /var for other system services. YaST keeps backup boot sectors and YaST
Online Update files, among other things, in /var/lib/YaST2. The RPM package database
is also stored in /var/lib/rpm.
Changing User Information and the Finger Program
Unix was born in a multiuser environment at Bell Labs and was widely used in university
computer science labs with a bunch of students floating in and out using whatever terminal
was available. Defining users in a system was a necessity in the early days of Unix.


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