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Full Discussion: Preventing switching shells
Special Forums Cybersecurity Preventing switching shells Post 302274787 by jim mcnamara on Thursday 8th of January 2009 11:18:15 AM
Old 01-08-2009
You can disable access to chsh. But that will never stop somebody from changing the shebang line in a script. If you already have production and startup scripts in bourne shell or ksh or whatever you cannot deny access to those shells.

Can you more clearly define what you want to acheive? What OS are we talking about here?
 

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LEARN ABOUT SUNOS

suspend

suspend(1)							   User Commands							suspend(1)

NAME

       suspend - shell built-in function to halt the current shell

SYNOPSIS

   sh
       suspend

   csh
       suspend

   ksh
       suspend

DESCRIPTION

   sh
       Stops the execution of the current shell (but not if it is the login shell).

   csh
       Stop the shell in its tracks, much as if it had been sent a stop signal with ^Z. This is most often used to stop shells started by su.

   ksh
       Stops the execution of the current shell (but not if it is the login shell).

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       csh(1), kill(1), ksh(1), sh(1), su(1M), attributes(5)

SunOS 5.10							    15 Apr 1994 							suspend(1)
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