[root@pcp09725103pcs var]# du -sh * 4.0K account 902M cache 2.0M clamav 4.0K db 4.0K dkms 8.0K empty 8.0K gdm 97M lib 4.0K local 20K lock 3.3M log 0 mail 8.0K named 4.0K nis 4.0K opt 4.0K preserve 172K run 936K spool 8.0K state 3.3M tmp 120K webmin 1.2M www 12K yp
Please forgive me, as I am a relative newbie, but what the heck is all this stuff? What can I get rid of?