If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux r100 2.4.21 #2 Fri Jun 27 11:19:02 IDT 2003 i686 GNU/Linux
 
Gnu C                  3.3
Gnu make               3.80
util-linux             2.11z
mount                  2.11z
modutils               2.4.21
e2fsprogs              1.34-WIP
pcmcia-cs              3.1.33
PPP                    2.4.1
Linux C Library        2.3.1
Dynamic linker (ldd)   2.3.1
Procps                 3.1.9
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               5.0
Modules Loaded         mct_u232 usbserial ipt_MASQUERADE ipt_REJECT ipt_state iptable_nat iptable_filter ip_tables ppp_deflate zlib_inflate zlib_deflate bsd_comp ppp_async ppp_generic slhc input vmnet vmmon ds yenta_socket pcmcia_core apm printer
