Modify or Set AIX Prompt
Here's an example of a clean prompt for use in AIX in a mixed-environment setup:
PS1="[ $(uname) $(whoami)@${HOSTNAME}:\$PWD ] "
export PS1
set -o vi
Looks like this:
[ AIX root@mdsnim01 : guest ]
Cheers,
TK
REF: Softpanorama KSH Substitutions