Tag: programming languages

Questions Related to programming languages

How to mount a file system?
technology programming languages

  1. fsck

  2. fsmount

  3. mount

  4. mountfs

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Correct Option: C

How many run levels are available in Unix

technology programming languages

  1. 1

  2. 2

  3. 5

  4. 6

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Correct Option: D

What is the purpose of sync command?

technology programming languages

  1. To synchronize user applications

  2. To synchronize keyboard and monitor

  3. To synchornize disk buffers

  4. To syschronize main memory and cache memory

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Correct Option: C

User's with user id as 0 (Zero) are
technology programming languages

  1. Printer users

  2. Not allowed to login using rlogin/ssh

  3. root users

  4. User id cannot be 0

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Correct Option: C

"Count the number of errors in the statement if [password = password1] then echo password else password"

technology programming languages

  1. 0

  2. 4

  3. 1

  4. 2

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Correct Option: B

How do I uncompress a file?
technology programming languages

  1. gunzip/expand

  2. gzip

  3. zip

  4. winzip

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Correct Option: A

How do I tar/untar a file?

technology programming languages

  1. tar -cvf file/tar -xvf file

  2. tar -xvf file /tar -cvf file

  3. tar -cvf file.tar /tar -xvf file.tar /

  4. tar -xvf file.tar /tar -cvf file.tar /

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Correct Option: C

I know linux can multitask -- how do I switch between programs?

technology programming languages

  1. fg,bg, &

  2. switch

  3. None

  4. Both

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Correct Option: A

For some file the access permissions are modified to 764. Which of the following

technology programming languages

  1. Every one can read, group can execute only and the owner can read and write

  2. Every one can read and write, but owner alone can execute

  3. Every one can read, group including owner can write, owner alone can execute

  4. None

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Correct Option: C

What is a system call()

technology programming languages

  1. A request by the users to access kernel functions

  2. A request by kernel to the device

  3. A request by the device to kernel

  4. None

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Correct Option: A