Tag: operating systems

Questions Related to operating systems

filename=sample.txt file=${filename%.*} echo $file $file now contains
technology operating systems

  1. txt

  2. sample

  3. .txt

  4. sample.

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Correct Option: B

How to call the function function1 in shell
technology operating systems

  1. function1()

  2. call function1

  3. function1

  4. ask function1

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Correct Option: C

What are the ways to get the filename from the absolute path in a variable Mypath=/my/path/file
technology operating systems

  1. filename=basename Mypath

  2. filename =file Mypath

  3. filename = ${Mypath#///}

  4. echo $Mypath | awk ‘ FS=”/” { print $4 } ‘

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Correct Option: A,C,D

Which variable contains the return value of last executed command

technology operating systems

  1. $!

  2. $?

  3. $#

  4. $@

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Correct Option: B

which operator is used for testing condition
technology operating systems

  1. check

  2. test

  3. expr

  4. find

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Correct Option: B

Which variable holds the values of command line parameters
technology operating systems

  1. $#

  2. $*

  3. $@

  4. $?

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Correct Option: B

which variable holds the number of values of comman line parameters
technology operating systems

  1. $#

  2. $*

  3. $@

  4. $?

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Correct Option: A

ksh shell was developed by

technology operating systems

  1. Korn Matt

  2. Karthick Subramanian

  3. David Korn

  4. Kandasamy

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Correct Option: C

How can you append the output of a command to a file?

technology operating systems

  1. command << file

  2. command > file

  3. command <> file

  4. command >> file

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Correct Option: D

Using which command you can see your user name?
technology operating systems

  1. whoami

  2. pwd

  3. who

  4. uname

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Correct Option: A