Tag: operating systems

Questions Related to operating systems

Command to set the default file permssions of a user

technology operating systems

  1. default

  2. set

  3. umask

  4. mask

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Correct Option: C

What is the default configuration for regular files?

technology operating systems

  1. --xr--r--

  2. rw-r--r--

  3. r--r--r--

  4. rwxr--r--

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Correct Option: B

Command that is used to find text matches from a file?
technology operating systems

  1. find

  2. match

  3. grep

  4. use

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Correct Option: C

Command to find out what kind of a Unix system you are on ?
technology operating systems

  1. ipaddress

  2. uname

  3. ip

  4. sysip

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Correct Option: B

Command to find how long a user is logged in ?
technology operating systems

  1. network

  2. finger

  3. nstat

  4. nw

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Correct Option: B

Command to check connections with a remote host
technology operating systems

  1. show

  2. iproute

  3. ping

  4. table

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Correct Option: C

Command to view the beginning of multiple files ?

technology operating systems

  1. top|more

  2. begin|more

  3. head|multiple

  4. head|more

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Correct Option: D

The numeric permission "400" stands for?

technology operating systems

  1. read by anybody

  2. read by other

  3. read by owner

  4. read by group

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Correct Option: C

Shell Varialbles are ?
technology operating systems

  1. TERM,SHELL, MAIL

  2. SHELL,MAIL,HOME

  3. WALL,HOME,SHELL

  4. HOME,SHELL,TERM,WALL

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Correct Option: A

How many prompts are available in a UNIX system and what it is ?
technology operating systems

  1. 3,PS1,PS2,PS3

  2. 4,PS1, PS2, PS3, PS4

  3. 2,PS1, PS2

  4. 1,PS1

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Correct Option: B