Searching - linux

Search directory for regex pattern in file

# -r for recursive -I to exclude binary files
grep -r -I "search string" ./
        

Find usage

find /where/to/look/up criteria action
find /dir/path/look/up criteria action
find /dir/path/look/up -name "dir-name-here"
find /dir/path/look/up -name "pattern"
find /dir/path/look/up -name "dir-name-here" -print
find /dir/path/look/up -name "dir-name-here"
find / -name "dir-name-here"
find / -type d -name "dir-name-here"
find / -type d -name "dir-name-here" 2>/dev/null
        

Find File by file extension

    find . -type f -name "*.txt"