checking file's permissions and change them

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LEARN ABOUT REDHAT

pam_console_apply

pam_console_appy(8)					   System Administrator's Manual				       pam_console_appy(8)

NAME

       pam_console_apply - set or revoke permissions for users at the system console

SYNOPSIS

       pam_console_apply [-r]

DESCRIPTION

       pam_console_apply sets or resets permissions on devices in the same manner as pam_console.
       If  /var/run/console.lock  exists,  pam_console_apply  will grant permissions to the user listed therein.  If the lock file does not exist,
       permissions are reset to those listed in /etc/security/console.perms, which should be configured to set permissions on devices so that root
       owns them.

ARGUMENTS

       -r     Signals  pam_console_apply to reset permissions.	The default is to set permissions so that the user listed in /var/run/console.lock
	      has access to the devices, and to reset permissions if no such file exists.

FILES

       /var/run/console.lock
       /etc/security/console.perms

SEE ALSO

       pam_console(8)
       console.perms(5)

BUGS

       Let's hope not, but if you find any, please report them via the "Bug Track" link at http://bugzilla.redhat.com/bugzilla/

AUTHOR

       Nalin Dahyabhai <nalin@redhat.com>, using code shamelessly stolen from parts of pam_console.

Red Hat 							     2001/3/6						       pam_console_appy(8)

Shell Programming and Scripting