Command line wizardry, part two: Variables and loops in Bash

Enlarge / Getting the hang of iteratively building commands interactively is all it really takes to become a command line wizard. Command Line Wizardry View more stories In our first tutorial on command line wizardry, we covered simple redirection and the

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Linux/BSD Command Line wizardry: Learn to think in sed, awk, and grep

As a relatively isolated junior sysadmin, I remember seeing answers on Experts Exchange and later Stack Exchange that baffled me. Authors and commenters might chain 10 commands together with pipes and angle brackets—something I never did in day-to-day system administration.

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