sort
SafeSort / unique
sort -rh <file>
Sorts lines; pair with uniq to count duplicates; -h sorts sizes.
Examples
sort access.log | uniq -c | sort -rnMost frequent lines first
Syntax
sort [-n] [-r] [-h] [-k n] <file> | uniq [-c]
Before you run it
Read-only.
The same reference, with no signal at all
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