Tag: operating systems

Questions Related to operating systems

which of the following is/are environment variables in unix?
technology operating systems

  1. PATH

  2. PS1

  3. TERM

  4. PS2

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Correct Option: A,B,C,D

Are unix commands case sensitive?
technology operating systems

  1. True

  2. False

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Correct Option: A

which one of the following is false about unix/GNUlinux ?

technology operating systems

  1. It supports multitasking

  2. we cannot use unix/GNUlinux for programming in java

  3. we supports multiusers

  4. GNULinux also has a Desktop environment

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Correct Option: B

What is the latest version of Mac OS X?
technology operating systems

  1. Tiger

  2. Lion

  3. Snow Leopard

  4. Leopard

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Correct Option: B

What % of people in the world use Mac operating system in their desktops?
technology operating systems

  1. 10-12%

  2. 7-8%

  3. 47-48%

  4. 30-40%

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Correct Option: B

what % of people use Linux in their desktops?
technology operating systems

  1. 0 to 1%

  2. 4 to 5%

  3. 20 to 22%

  4. 25 to 28%

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Correct Option: A

ARM chips consume more power compared to Intel chips.
technology operating systems

  1. True

  2. False

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Correct Option: A

Which command is the Partition table manipulator for Linux

technology operating systems

  1. chkdsk

  2. cfdisk

  3. tabpar

  4. patbl

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Correct Option: B

Which command is used to Change access permissions

technology operating systems

  1. chmod

  2. chroot

  3. chaccess

  4. chgrp

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Correct Option: A

Which command is used for DNS look up?

technology operating systems

  1. nslookup

  2. dnslookup

  3. dig

  4. lookup

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Correct Option: C