If some fields are empty or look unusual you may have an old version.
Compare to the current minimal requirements in Documentation/Changes.
 
Linux mercury 2.6.0-test9 #1 Sat Nov 8 23:22:48 CET 2003 i686 unknown
 
Gnu C                  3.2.3
Gnu make               3.80
util-linux             2.12
mount                  2.12
module-init-tools      0.9.14
e2fsprogs              1.34
jfsutils               1.1.3
quota-tools            3.09.
PPP                    2.4.1
nfs-utils              1.0.6
Linux C Library        2.3.2
Dynamic linker (ldd)   2.3.2
Linux C++ Library      5.0.3
Procps                 3.1.6
Net-tools              1.60
Kbd                    1.08
Sh-utils               2.0
Modules Loaded         sr_mod vfat fat snd_sbawe snd_opl3_lib snd_hwdep snd_sb16_dsp snd_sb_common snd_pcm snd_page_alloc snd_timer snd_mpu401_uart snd_rawmidi snd_seq_device snd ip_conntrack nvidia