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If both at.allow and at.deny are not present, only the system administrator can access at and batch command.(a) True(b) FalseThis question was addressed to me in unit test.My question comes from Administrator Specific Commands and Privileges topic in portion Essential Shell Programming of Unix

Answer»

Right option is (a) True

Best explanation: The access to the use of at and BATCH is restricted and controlled by the files at.allow and at.deny. If at.allow is present, only those users which are listed in this FILE can use at and batch. If this file is not present then the SYSTEM checks at.deny for users who are blocked from using these commands. If NEITHER file is present, only the administrator can invoke at and batch.



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