How to check RHEL/CentOS kernel version ?

Linux command check RHEL/CentOS kernel version :

You can check CentOS kernel version through following command which works with all Linux distributions, such as Red Hat, CentOS, Debian, and Ubuntu. It also works on other UNIX-like operating systems such as HPUX, FreeBSD, OpenBSD, Solaris, etc

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# uname -r
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You can use the following options with uname command to get more information regarding kernel :

• The kernel name (-s)
• The Network node hostname (-n)
• The kernel release (-r)
• The kernel version (-v)
• The machine hardware name (-m)
• The processor type (-p)
• The hardware platform (-i)
• The operating system (-o)

To know complete information about kernel :
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# uname -a
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