Web Reference: Mar 14, 2013 · There is nothing intrinsically faster about a command substitution than a process substitution in Bash, but the head is redundant in the case of read since you're only reading a single line there. Sep 20, 2017 · A command substitution ($(...)) will be replaced by the output of the command, while a process substitution (
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Command Vs Process Substitution Linux Net Worth 2026: Salary, Income & Wealth Net Worth & Biography
Estimated Worth: $9M - $52M
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Last Updated: April 10, 2026
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