Web Reference: Command substitution allows the output of a command to replace the command itself. The standard form of command substitution occurs when a command is enclosed as follows: or (deprecated) ` command `. In this comprehensive guide, we’ll start with the basics of command substitution syntax in Linux. Then we’ll explore some simple beginner examples before moving onto more complex use cases. There are also some best practices around properly using command substitution we’ll cover. Nov 7, 2023 · Command substitution is an important feature that allows you to store the output of a command into a variable. Learn to use it.
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