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RBASH(1)							      RBASH(1)

       rbash - restricted bash, see bash(1)

       If bash is started with the name rbash, or the -r option is supplied at
       invocation, the shell becomes restricted.  A restricted shell  is  used
       to  set	up an environment more controlled than the standard shell.  It
       behaves identically to bash with the exception that the	following  are
       disallowed or not performed:

	     changing directories with cd

	     setting or unsetting the values of SHELL, PATH, ENV, or BASH_ENV

	     specifying command names containing /

	     specifying a file name containing a / as an argument  to  the  .
	      builtin command

	     Specifying  a  filename containing a slash as an argument to the
	      -p option to the hash builtin command

	     importing function definitions from  the  shell  environment  at

	     parsing  the  value  of  SHELLOPTS from the shell environment at

	     redirecting output using the >, >|, <>, >&, &>, and >>  redirec
	      tion operators

	     using the exec builtin command to replace the shell with another

	     adding or deleting builtin commands with the -f and  -d  options
	      to the enable builtin command

	     Using  the  enable  builtin  command  to  enable  disabled shell

	     specifying the -p option to the command builtin command

	     turning off restricted mode with set +r or set +o restricted.

       These restrictions are enforced after any startup files are read.

       When a command that is found to be a shell script  is  executed,  rbash
       turns  off any restrictions in the shell spawned to execute the script.


GNU Bash-3.0			  2004 Apr 20			      RBASH(1)

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