If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux c1n04 2.4.17 #1 SMP Wed Dec 26 11:56:55 EST 2001 i686 unknown
 
Gnu C                  2.96
Gnu make               3.79.1
util-linux             2.11f
mount                  2.11g
modutils               2.4.12
e2fsprogs              1.25
Linux C Library        2.2.4
Dynamic linker (ldd)   2.2.4
Procps                 2.0.7
Net-tools              1.60
Console-tools          0.3.3
Sh-utils               2.0.11
Modules Loaded         nfs nfsd lockd sunrpc autofs4