Linux Command---1

View Linux kernel version current system release information (distribution): Lsb_release-a, LSB (Linux standard Base) and distribution information. Use this command to know if it is Redhat, CentOS, Ubuntu. and the specific version number.

Print distribution-specific information.

The cat command prints out the entire contents of the file without entering the file's editing environment.

Uname-a View the system kernel version number and the system name.

Cat/proc/version

Add:/proc file system, it is not an ordinary file system, but the image of the system kernel, that is, the files in this directory are stored in the system memory. It provides an interface for accessing system kernel data in a file system manner.

And we use the command uname-a the information is obtained from the file, here uname plus parameter A (all) is to get all the information, no parameter A, which is to indicate the view system name.

When a command does not, do not hurry, learn to see the help information of this command itself XXX--help (or xxx-h, man xxx)

With a command, parameters can take multiple

There are two types of parameters: the first separate and the second pinch are written together

Linux Command---1