单选题  Which of the following is NOT a basic operating system?

单选题  For record-based files, the smallest unit for the operating system to access file information for users is ().

单选题  For jobs loaded with dynamic relocation, () is allowed to move them during execution.

单选题  After a print output requested by a process finishes, the process state changes from ().

单选题  After a job is loaded into memory, the corresponding process is initially in the () state.

单选题  To improve the flexibility of device allocation, users should specify the () number when applying for devices.

单选题  In paged storage management, address translation is completed by ().

单选题  Which of the following is NOT a basic feature of a time-sharing system?

单选题  If files of different users are allowed to have identical filenames, () is usually adopted to guarantee safe file access by name.