If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux mackman.net 2.4.10 #1 SMP Mon Sep 24 02:37:41 PDT 2001 i686 unknown
 
Gnu C                  2.96
Gnu make               3.79.1
binutils               2.10.91.0.2
util-linux             2.11f
mount                  2.11b
modutils               2.4.2
e2fsprogs              1.23
Linux C Library        2.2.2
Dynamic linker (ldd)   2.2.2
Procps                 2.0.7
Net-tools              1.57
Console-tools          0.3.3
Sh-utils               2.0
Modules Loaded         3c59x cs4232 uart401 ad1848 sound soundcore isa-pnp mousedev hid input uhci usbcore