May 2017
Beginner
552 pages
28h 47m
English
Content preview from Linux Shell Scripting Cookbook - Third Edition
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Getting ready
Unix and Linux support several checksum programs, but the most robust and widely used algorithms are MD5 and SHA-1. The ms5sum and sha1sum programs generate checksum strings by applying the corresponding algorithm to the data. Let's see how to generate a checksum from a file and verify the integrity of that file.