[FIX] Update documentation and add default configured installed path

Signed-off-by: Ramakrishnan P <ramakrishanan_p@kalycito.com>
[FIX] PDO Total bytes showing in bits

Signed-off-by: Ramakrishnan P <ramakrishanan_p@kalycito.com>
[FIX] Minor changes in the menu text and help informations

Signed-off-by: Ramakrishnan P <ramakrishanan_p@kalycito.com>