Get size of the file in GB-AIX

I think, to list the size of the file in AIX is du -sg . This will display size in GB. Yet to confirm.

Alias name in UNIX

Alias of commands are used to make life easier by shortening commands the user uses often, and becomes tedious to type the entire command .

to view an alias

■execute: alias Alias_Name

to remove an alias
■execute: unalias Alias_Name

to make an alias permanent put in your shells startup script ie. ~/.bashrc ~/.bash_profile ~/.profile

Examples
■alias mntcd='mount /mnt/cdrom'

■alias umntcd='umount /mnt/cdrom;eject /mnt/cdrom'
■alias shut='/sbin/shutdown -hP 1'
■alias fmplayer='mplayer -fs'