| 摘要 |
An operator from a computer terminal initially enters a password or passwords into a computer system over a specific terminal line. If the password or passwords transmitted over the specific terminal is recognized by a master command line interpreter, then the master command line interpreter compares the password or passwords and the specific terminal with a table stored in the computer system. If the comparison by the master command line interpreter is invalid, then the master command line interpreter instructs the computer system not to log in the operator's request for access to the computer system. If the comparison by the master command line interpreter is valid, then the master command line interpreter instructs the computer system to log in the operator's request for access to the computer system. The master command line interpreter also instructs the computer system to assign a selected user command line interpreter. The accessible data or tasks to which access is gained by the operator is the data or tasks associated with the assigned user command line interpreter.
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