Linux CentOS View kernel version and system version

View Kernel version

Using the uname command

Uname:print Certain System Information

[Email protected] ~]# uname-r
2.6.32-431.el6.i686

View/proc/version

[Email protected] ~]# cat/proc/version
Linux version 2.6.32-431.el6.i686 ([email protected]) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-4) (gcc)) #1 SMP Fri Nov 00:26:36 UTC 2013

View the CentOS version

[Email protected] ~]# cat/etc/issue
CentOS Release 6.5 (Final)
Kernel \ r on an \m

See if the system is 64-bit or 32-bit

[Email protected] ~]# getconf long_bit
32

[Email protected] ~]# File/bin/ls
/bin/ls:elf 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU /linux 2.6.18, stripped

Linux CentOS View kernel version and system version