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operating systems Online Quiz - 88

Description: operating systems Online Quiz - 88
Number of Questions: 20
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Tags: operating systems
Attempted 0/20 Correct 0 Score 0

23 What is a message queue?

  1. 1 A printer queue

  2. 2 An IPC mechanism with destructive execute

  3. 3 An IPC mechanism with destructive write

  4. 4 An IPC mechanism with destructive read


Correct Option: D
  1. No differences

  2. 2 IPC mechanism vs Non-IPC mechanism

  3. 3 Non-destructive read vs destructive read

  4. 4 Destructive read vs non-destructive read


Correct Option: C
  1. 1 sed 's/ */$//' test1

  2. 2 sed 's/ *$//' test1

  3. 3 sed 's/ *$//' test1

  4. 4 sed 's/ *$\/\/' test1


Correct Option: B
  1. Ken Thompson

  2. Dennis Ritchie

  3. John Crosswhite

  4. Douglas McIlroy


Correct Option: C
  1. System V at AT&T lab

  2. BSD (Berkeley Software Distribution)

  3. Solaris at Sun Microsystems

  4. MAC OS X at Apple

  5. All of the above


Correct Option: E
  1. Everything need to be done only by using commands.

  2. It is command oriented

  3. Easy to Use

  4. User Friendly


Correct Option: A,B

What are the different Emulators in Unix?

  1. Putty

  2. Secure CRT

  3. Telnet

  4. Exceed

  5. Only First and Second

  6. First,Second and Third


Correct Option: A,B,C,D
  1. A-2, B-3, C-4-, D-1, E- 5

  2. A-1, B-5, C-4, D-3, E-2

  3. A-1, B-4,C-5,D-2, E-3

  4. Non of The above


Correct Option: C
  1. Boot | Super | Data| Inode

  2. Super | Boot | Data | Inode

  3. Boot | Super | Inode | Data

  4. Inode | Boot | Super | Data

  5. Non of the above


Correct Option: C

Unix Developed in the year ___________?

  1. 1968

  2. 1871

  3. 1969

  4. 1975

  5. Non


Correct Option: C
  1. A-2, B-3, C-4-, D-1, E- 5

  2. A-1, B-4,C-5,D-2, E-3

  3. A-1, B-5, C-4, D-3, E-2

  4. Non of the above


Correct Option: B
  1. Putty

  2. Secure CRT

  3. Telnet Connection

  4. Exceed

  5. First,Third,Fourth

  6. First Two only


Correct Option: A,B,C,D
  1. System V at AT&T lab.

  2. BSD (Berkeley Software Distribution)

  3. Solaris at Sun Microsystems

  4. MAC OS X at Apple

  5. Only first two

  6. First Three only


Correct Option: A,B,C,D
  1. chpassword

  2. changepword

  3. passwd

  4. pass -change


Correct Option: C
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