I am in linux , aix , solaris
Usually there is bash on the box, sometimes not
if there is bash on the box, I want to run my scripts in bash.
if there is not bash on the box THERE WILL BE KSH and i would like to set my scripts to run
in ksh ( so it does not default to sh )
how can I do this ?
This link explains the /etc/passwd layout
http://www.cyberciti.biz/faq/understanding-etcpasswd-file-format/