Backtick (`) symbol in Linux Shell Scripting
Jul 23, 2014, 14:00 (4 Talkback[s])
(Other stories by Pradeep Kumar)
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The backtick allows you to assign the output of a shell command to a variable. While this doesn't seem like much, it is a major building block in script programming. You must surround the entire command line command with backtick characters.