Online MCQs Test Preparation for Competitive Exams All types of Exams
A. Is a file
B. Has write permission for all
C. Is the UNIX built-in dustbin
D. All of these
Option: D
A. Echoes welcome in all the terminals that are switched on.
B. Echoes welcome in all the terminals that are logged on.
C. Echoes welcome only in the terminal in which it is run.
D. Both (a) and (c)
Option: D
A. 1
B. 5
C. 2
D. 0
Option: B
A. Signals
B. Pipes
C. Semaphore
D. All of these
Option: D
A. Echoes welcome in all the terminals that are switched on.
B. Echoes welcome in all the terminals that are logged on.
C. Echoes welcome only in the terminal in which it is run.
D. Both (a) and (c)
Option: D
A. It is compact
B. It can be accessed faster
C. They are more reliable
D. All of these
Option: D
A. 1
B. 5
C. 2
D. 0
Option: B
A. id x .o is a valid command (assume x . o exists)
B. cc x. s is a valid command (assume x . s exists)
C. Both (a) and (b)
D. None of these
Option: C
A. date followed by 7
B. date followed by 8
C. date followed by 1
D. an error message
Option: A
A. To read successive characters from an open file . getchar and scan f can be used interchangeably
B. To read successive characters from an open file. getchar and read can be used interchangeably
C. The read system call reads from the buffer
D. None of the above
Option: A
A. Signals
B. Pipes
C. Semaphore
D. All of these
Option: D
A. preprocessor. compiler and link editor
B. compiler and link editor
C. preprocessor, compiler. assembler and link editor
D. compiler, assembler and link editor
Option: C