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Design and implement the disableuser.sh script.
Required script functionality:
disableuser.sh -v : prints the script version number and exits disableuser.sh -h : prints help content and exits disableuser.sh <username> : Disables (locks), but does not remove the specified user account => user cannot use disabled account for login disableuser.sh -m <username> <'message'> : Does not disable login (by the operating system), but changes the user's login shell to a script that just writes the quoted message to standard output and then exits
Example results:
o whoami -> student1
o disableuser.sh -m user1 'You have been terminated'
o su user1 -> 'You have been terminated'
Your disableuser.sh script will have to:
o Generate the special login script that incorporates the quoted message
o Configure user account to use the special login script
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The paper shall only address business requirements and concerns, not personal or home use of Linux.
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