Classical

Unix - The Unix System

1:  

UNIX was developed by

A.

Bell Labs

B.

Berkley Software Group

C.

California University

D.

American Defence Academy

 
 

Option: A

Explanation :


2:  

Chocolate Chip is

A.

A latest Intel product

B.

Another name for BSD 4.2 Version

C.

Another name for System V

D.

Another name for System III

 
 

Option: B

Explanation :


3:  

Pick the incorrect statements

A.

Shell is a command interpreter

B.

Shell is the interface between user and kernel.

C.

System can't work without a shell.

D.

Shell is a program.

 
 

Option: C

Explanation :


4:  

UNIX is

A.

A multi-user system

B.

Name of a file in the root directory

C.

A multi-task system

D.

All of these

 
 

Option: D

Explanation :


5:  

Which of the following statements best explains a process?

A.

It is a program.

B.

It is a program in execution.

C.

It is an instance of a program in execution.

D.

It is a program that uses system calls.

 
 

Option: C

Explanation :

Process is a program in execution. However, if many users are simultaneously executing the same program. the system has to differentiate the instances of the program, in use. Hence the best answer is (c).




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Syllabus covered in this section is-

  • The UNIX System: File system, process management.
  •  Bourne shell, shell variables, command line programming
  •  Filters and Commands: Pr. Head, tail, cut. Paste. Sort. uniq, tr, join, etc, grep, egrep, fgrep, etc, sed, awk, etc.
  • System Calls (like) : Create, open. Close, read, write, iseek, link, unlink, stat, fstat, umask, chmod, exec, fork, wait, system.
  • Unix :Operating System
  •  Structure of Unix Operating System
  • UNIX Commands. Interfacing with Unix
  •  Editors and Compilers for Unix LEX  and YACC
  •  File system, System calls.
  • Filters, Shell programming

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  • Post Graduate Computer Science Test
  •  PhD Entrance Exam
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  • National Eligibility Test (NET)
  • State Eligibility Test (SET)

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