cut

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cut

cut extracts specific columns or character ranges from each line of input, using -d to set a delimiter and -f to choose fields. It's a lighter-weight alternative to awk when you only need to pull out one or two fields. cut -c extracts by character position instead of delimiter-separated fields.

Note: Use cut -d, -f2 to extract the second comma-separated field from CSV-style lines.

Example: cut

bash

#!/bin/bash
echo "alice,30,engineer" | cut -d, -f1
echo "alice,30,engineer" | cut -d, -f2,3

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Chapter Quiz — Complete all 12 topics to unlock

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Running Commands in the Background (&) and $!
grep
The wait Command
Process IDs and the ps Command
cut
Signals and trap
sort
Subshells vs the Current Shell ( ( ) vs { } )
uniq
Command Substitution vs Process Substitution
wc
Killing Processes

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Chapter Quiz — Complete all 12 topics to unlock

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