How to check the operating system version in Linux? -Linux operation and maintenance

How to check operating system version, memory and other information in Linux:

1, uname -a

Linux view version current operating system kernel information

p>

2, cat /proc/version

Linux view current operating system version information

3, cat /etc/issue or cat /etc/redhat-release

Linux view version information of the current operating system release version

4, cat /proc/cpuinfo

View cpu information,

processor logic processing The id of the device.

physical id The id of the formal physical processor.

core id The id of each core in the cpu.

cpu cores The number of cores in each cpu physical processor.

siblings The number of logical processors in each cpu physical processor.

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