diff

SafeCompare files

diff -u <file1> <file2>

Shows differences. -u gives unified format (patch standard); -r compares directories. Vital for config review.

Examples

diff -u nginx.conf nginx.conf.bakReview config changes
diff -r dirA dirBCompare directories

Syntax

diff [-u] [-r] <a> <b>

Before you run it

Read only.

Related commands

git diffShow diff
catPrint file contents
sortSort / unique

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