Which of the following file contents are erased but directory entry kept intact?
a) creating file
b) reading file
c) repositing file
d) truncating file
How many types of objects in file system?
a) five
b) seven
c) eight
d) nine
Explanation: soft link, devices, pipe, shared memory, semaphore
A communication channel between two processes is called?
a) soft link
b) pipe
c) shared memory
d) semaphore
An allocation of memory locations for use by one or more process is called…..
a) soft link
b) pipe
c) shared memory
d) semaphore
An object that can be used to control the synchronization of process is called……
a) soft link
b) pipe
c) shared memory
d) semaphore
How many ways a file can be identified?
a) one
b) two
c) three
d) four
Explanation: name extension, magic number, operating system supported information