How Linux systems View version information

1. Enter "UNAME-A" to display information about the computer and the operating system.

$ uname-a
Linux hadoop02.zjl.com 2.6.32-696.el6.x86_64 #1 SMP Tue Mar 19:29:05 UTC x86_64 x86_64 x86_64 gnu/linux

2. Enter "Cat/proc/version" to indicate the kernel version that is running.

$ cat/proc/version
Linux version 2.6.32-696.el6.x86_64 ([email protected]) (GCC version 4.4.7 20120313 (Red Hat 4.4.7-18) (gcc)) #1 SMP Tue Mar 19:29:05 UTC 2017

3, enter "Cat/etc/issue", display the release version information

$ cat/etc/issue
CentOS Release 6.9 (Final)
Kernel \ r on an \m

How Linux systems View version information