Contents

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

d

How many types of objects in file system?
a) five   
b) seven
c) eight  
d) nine

a

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

b

An allocation of memory locations for use by one or more process is called…..
a) soft link                            
b) pipe
c) shared memory             
d) semaphore

c

An object that can be used to control the synchronization of process is called……
a) soft link                            
b) pipe
c) shared memory              
d) semaphore

d

How many ways a file can be identified?
a) one    
b) two    
c) three 
d) four

c

Explanation: name extension, magic number, operating system supported information