Question: ______ tracks the number of opens and closes and reaches zero on the last close.The system can then remove the entry.
Answer:
As files are closed, the operating system must reuse its open-file table entries, or it could run out of space in the table. Multiple processes may have opened a file, and the system must wait for the last file to close before removing the open-file table entry. The file-open count tracks the number of opens and closes and reaches zero on the last close. The system can then remove the entry.
MCQ: ______ tracks the number of opens and closes and reaches zero on the last close.The system can then remove the entry.
Explanation:
As files are closed, the operating system must reuse its open-file table entries, or it could run out of space in the table. Multiple processes may have opened a file, and the system must wait for the last file to close before removing the open-file table entry. The file-open count tracks the number of opens and closes and reaches zero on the last close. The system can then remove the entry.
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Related Questions
- 1. ______ is unique to each process operating on the file and therefore must be kept separate from the on-disk file attributes.
- 2. A <strong>_____ </strong>is akin to a reader lock in that several processes can acquire the lock concurrently.
- 3. An <strong>__________ </strong>behaves like a writer lock;only one process at a time can acquire such a lock.
- 4. If a lock is ______, then once a process acquires an exclusive lock, the operating system will prevent any other process from accessing the locked file
- 5. The system uses the _______ to indicate the type of the file and the type of operations that can be done on that file.
- 6. A file with extension______ is the binary executable file.
- 7. Which of the following file with extension ______is the binary executable file?
- 8. _________ is a <strong>shell script </strong>containing, in ASCII format, commands to the operating system.
- 9. binary file containing audio or A/V information
- 10. related files grouped into one file, sometimes compressed, for archiving or storage
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