如何看出Linux的版本

uname -a V;Z?K#D  
;N]Y{N6C  
cat /etc/issue !Qw=&iT`kI  
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3c+g_h7oF  
-bash-3.00$ uname -a C&#W v|we  
Linux host2.webhour.net 2.6.9-55.0.12.ELsmp #1 SMP Fri Nov 2 11:19:08 EDT 2007 i686 i686 i386 GNU/Linux f?'.Yd  
-bash-3.00$  cat /etc/issue  H.co?%  
CentOS release 4.5 (Final) wcm_Oo3  
Kernel \r on an \m D9moQf`  
v9pF%"5_  
[root@Server ~]# uname -a ~Ls~D>dJ  
Linux Server 2.6.18-1.2798.fc6 #1 SMP Mon Oct 16 14:37:32 EDT 2006 i686 i686 i386 GNU/Linux cRq>gW 1  
[root@Server ~]# cat /etc/issue olK-w\eh1  
Fedora Core release 6 (Zod) iU9M%T6Z8  
Kernel \r on an \m 9.g0WA5Z  
yBv)GI  
U=;t]#R  
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