linux:/usr/src# ls -l /usr/src
total 53380
lrwxrwxrwx  1 root src        26 2007-04-15 18:22 linux -> linux-headers-2.6.18-4-686
drwxrwxr-x 19 root root     4096 2007-05-06 16:19 linux-2.6.21.1
-rw-r--r--  1 itz  src  44016634 2007-04-27 23:59 linux-2.6.21.1.tar.bz2
drwxr-xr-x 17 root root     4096 2007-04-14 13:20 linux-headers-2.6.18-4
drwxr-xr-x  4 root root     4096 2007-04-14 13:20 linux-headers-2.6.18-4-486
drwxr-xr-x  5 root root     4096 2007-05-06 16:24 linux-headers-2.6.18-4-686
drwxr-xr-x  3 root root     4096 2007-04-14 13:20 linux-kbuild-2.6.18
lrwxrwxrwx  1 root src        26 2007-04-14 13:20 linux-OLDVERSION.1176549655 -> linux-headers-2.6.18-4-486
lrwxrwxrwx  1 root src        35 2007-04-14 13:20 linux-OLDVERSION.1176654155 -> /usr/src/linux-headers-2.6.18-4-486
-rw-r--r--  1 root src    250138 2007-04-14 13:21 madwifi-modules-2.6.18-4-486_0.9.2+r1842.20061207-2+2.6.18.dfsg.1-12_i386.deb
-rw-r--r--  1 root src    254992 2007-04-15 18:22 madwifi-modules-2.6.18-4-686_0.9.2+r1842.20061207-2+2.6.18.dfsg.1-12_i386.deb
-rw-r--r--  1 root root  3484201 2007-04-09 15:13 madwifi.tar.bz2
drwxr-xr-x  4 root root     4096 2006-12-14 21:18 modules
-rw-r--r--  1 root src   1620622 2007-04-15 02:49 nvidia-kernel-2.6.18-4-486_1.0.8776-4+2.6.18.dfsg.1-12_i386.deb
-rw-r--r--  1 root src   2386714 2007-04-15 03:05 nvidia-kernel-2.6.18-4-486_1.0.9746-2+2.6.18.dfsg.1-12_i386.deb
-rw-r--r--  1 root root  2532190 2007-04-23 08:47 nvidia-kernel-source.tar.gz