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This article mainly introduces how to use the sum command in Linux. It is very detailed and has a certain reference value. Friends who are interested must finish it!

The Linux common command sum command is used to calculate and display the checksum of the specified file and the number of disk blocks occupied by the file.

Sum calculates the check code and display blocks of the file

Syntax sum (options) (parameters) option-r: use BSD's checksum algorithm with a block size of 1k;-s: use system V's checksum algorithm with a block size of 512 bytes. Parameter file list: a list of files that need to be calculated and the number of disk blocks.

Example calculates the file check code:

[root@localhost] # sum insert.sql 00827 12 and above are all the contents of this article entitled "how to use sum commands in Linux". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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