Search Files

grep pattern files

Search for pattern in files

grep -i

Case insensitive search

grep -r

Recursive search

grep -v

Inverted search

grep -o

Show matched part of file only

find /dir/ -name name*

Find files starting with name in dir

find /dir/ -user name

Find files owned by name in dir

find /dir/ -mmin num

Find files modifed less than num minutes ago in dir

whereis command

Find binary / source / manual for command

locate file

Find file (quick search of system index)