Importance

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Abstract

A system and method for controlling access to computer resources of a computer is disclosed. The access control program preferably includes a plurality of program components, which may be terminate stay resident (TSR) programs, for intercepting interrupt service calls. The interrupt service calls are verified to determine whether the user is authorized for the resource requested in the service call. The program components use files containing a list of authorized resources for the computer user. These files are, preferably, used at system initialization to modify the system resource files used by the operating system to identify program and program groups which are displayed to a user. A boot protection program is also disclosed which may be installed with the access control program to prevent a boot program stored on media within the diskette drive from acquiring control of the system during system initialization. The boot protection program corrupts the master boot record, boot record and partition table so that other boot programs do not have sufficient information to initialize the system. The master boot program is modified to access this requisite information elsewhere during system initialization.

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First Claim