Unix Commands.

Some commands which I came across during my experience.

To Search for some piece of code or message text in Oracle_TOP or any directory in UNIX

find . | xargs grep -s 'XXC_MESSAGE'

Unix Command History: /bin/bash

Zip/Unzip in UNIX : zipinfo datazip.zip

Using TAR
---------
To ZIP : tar czf itemdata1.tar.gz datafiles
to Unzip : tar xvzf itemdata.tar.gz

Filesize in MB: ls -lh (in MB)

Count files/entries in a directory: ls -1 | wc -l