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that "--" was cool denn.. thanks a lot.. Lastly I just wanted to know specifically if there was any way say a command to check to if a machine is up n running , by returning boolean values unlike...

First up thanks.
By the way, Is there anyother way apart from using ssh ot execute a command in a remote machine.. seems rsh or uux can do but i dont seem to able to use it properly. can u please...

how do i unescape special characters in Unix.

Suppose i've a file named -xyz.txt, how do I remove the file.
Ofcourse Icant give rm -xyz.txt thats not gonna work.
We can go in regular expression...

1.If a user adds the logout command in the .bash_profile file, then that user cant login.(I hope I'm correct) So, is there anyway to login into that users account without contacting the root or an...