[Ilugc] Settig environment

Roshan Mathews rmathews at gmail.com
Tue Jun 13 18:53:50 IST 2006

On 6/13/06, Ashok Antony <anjeas_net at yahoo.com> wrote:
> Can anyone explain me the above line ? what does that do ?
from `man bash':
              Use  Default  Values.  If parameter is unset or null, the expan-
              sion of word is substituted.  Otherwise, the value of  parameter
              is substituted.

Roshan Mathews

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