Hi,
Don't know which shell you use, but:
If you use bash then you can add a line in you .bashrc file like
PATH=$PATH:/opt/rvplayer5.0
for example, to add that path,
and a line 
export PATH
to export that variable.

man bash will tell you the details.

If you don't have the .bashrc file yet, you will also need 
to create the .bash_profile file that would have the line
source ~/.bashrc
in it. 

If you were to use csh it would be something like:
setenv PATH /rvplayer5.0:$PATH
in your .cshrc or .tcshrc

man csh will tell you more.

You can also type those commands at your prompt , and
you can verify environment variables doing:
$ echo $VARIABLE 
Last but not least ,don't forget take a look at /etc/profile file 

regards,
Alvaro.

"V.Vasant" wrote:
> 
> Hello,
>         Can someone please tell me how to include new directories in the
> usual path variables

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