Operating System MCQs

1019 MCQs  (Page 26 of 102)

In UNIX, what will the open system call return?
A. Pointer to the entry in the open file table
B. Pointer to the entry in the system wide table
C. A file to the process calling it
D. None of the mentioned
System wide table in UNIX contains process independent information such as ____________
A. Location of file on disk
B. Access dates
C. File size
D. All of the mentioned
The open file table has a/an _______ associated with each file.
A. File content
B. File permission
C. Open count
D. Close count
Which of the following are the two parts of the file name?
A. Name & identifier
B. Identifier & type
C. Extension & name
D. Type & extension
To organise file systems on disk _______________
A. They are split into one or more partitions
B. Information about files is added to each partition
C. They are made on different storage spaces
D. All of the mentioned
What will happen in the two level directory structure?
A. Each user has his/her own user file directory
B. The system doesn’t its own master file directory
C. All of the mentioned
D. None of the mentioned
When a user job starts in a two level directory system, or a user logs in _____________
A. The users user file directory is searched
B. The system’s master file directory is not searched
C. The master file directory is indexed by user name or account number, and each entry points to the ufd for that user
D. All of the mentioned
When a user refers to a particular file?
A. System mfd is searched
B. His own ufd is not searched
C. Both mfd and ufd are searched
D. Every directory is searched
What is the disadvantage of the two level directory structure?
A. It does not solve the name collision problem
B. It solves the name collision problem
C. It does not isolate users from one another
D. It isolates users from one another