Useful basic liux Command

Some basic UNIX command which helps in managing server

1. copy a directory
   cp -r dir1 /path/to/destination/dir
2. Extract tar.gz file
   tar xvfz archive_name.tar.gz
3. create a tar.gz file
   tar cvfz archive_name.tar.gz dirname/
4. Search file with file name
   find . -type f -name '*.php'