/usr getting full

what can i delete in /usr to free up space its 95% full,

-rwxr--r-- 1 root root 12288 Mar 30 00:59 aquota.user*
drwxr-xr-x 2 root root 24576 Mar 30 00:58 bin/
drwxr-xr-x 2 root root 4096 Oct 7 2003 dict/
drwxr-xr-x 2 root root 4096 Mar 30 01:01 doc/
drwxr-xr-x 2 root root 4096 Apr 21 2004 etc/
drwxr-xr-x 3 root root 4096 Apr 21 2004 games/
drwxr-xr-x 74 root root 8192 Feb 14 18:58 include/
lrwxrwxrwx 1 root root 14 Nov 29 15:34 java -> /usr/local/jdk/
drwxr-xr-x 6 root root 4096 Aug 24 2004 kerberos/
drwxr-xr-x 70 root root 24576 Mar 30 00:58 lib/
drwxr-xr-x 7 root root 4096 Feb 6 04:07 libexec/
drwxr-xr-x 23 root root 4096 Dec 9 00:15 local/
drwx------ 2 root root 4096 Apr 21 2004 lost+found/
drwxr-xr-x 6 root root 4096 May 24 2004 man/
-rwxr--r-- 1 root root 1025056 Jun 30 2004 quota.user*
drwxr-xr-x 2 root root 8192 Mar 30 00:58 sbin/
drwxr-xr-x 142 root root 4096 Feb 5 14:24 share/
drwxr-xr-x 4 root root 4096 Mar 28 19:37 src/
lrwxrwxrwx 1 root root 10 May 21 2004 tmp -> ../var/tmp/
lrwxrwxrwx 1 root root 4 May 21 2004 usr -> /usr/
drwxr-xr-x 7 root root 4096 Apr 21 2004 X11R6/

 

Filesystem Size Used Avail Use% Mounted on
/dev/hda6 7.7G 6.1G 1.3G 84% /usr


cleaned it up to 84% but still flashing and mailing me daily.

 

Disk hda6 (/usr) DMA+ 68 %

fixed i had a few large files including logs taking up alot of space.