Tag: technology

Questions Related to technology

"Without using the shift command, what range of command-line argument variables can be referenced correctly? "
technology programming languages

  1. $0 to $9

  2. $0 to $10

  3. $1 to $9

  4. $1 to $10

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Correct Option: A

Which of the following are syntax that can be used to declare a function?

technology programming languages

  1. function_name() {command-list }

  2. function_name ( ) { }

  3. function name (command list ) {

  4. None

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Correct Option: A

"Which of these commands redirects the output of cat testfile to redirfile without overwriting the contents of redirfile? "

technology programming languages

  1. cat testfile >redirfile

  2. cat testfile >>redirfile

  3. cat testfile 1> redirfile

  4. cat testfile 2> redirfile

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Correct Option: B

"What stream usually outputs error messages to the screen? "

technology programming languages

  1. stdout

  2. stderr

  3. stderr2

  4. stdouterr

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Correct Option: B

"The command is used within a function to exit the function with a given status. "

technology programming languages

  1. "local

  2. " function

  3. "return

  4. "parameter

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Correct Option: C

"Which directory is the standard for storing shell scripts created by systems adminstrators? "

technology programming languages

  1. /etc

  2. /bin

  3. /dev

  4. /rc.d

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Correct Option: B

"What does the read command do while it waits for input? "

technology programming languages

  1. Tests for command-line arguments

  2. Shifts arguments to the left

  3. Exits the program

  4. Creates a pause in the program

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Correct Option: D

"The ______ loop executes as long as the condition returns an exit status of zero, whereas the _______ loop executes unless the condition returns a zero exit status. "
technology programming languages

  1. while,until

  2. until, while

  3. repeat, while

  4. None

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Correct Option: A

"Which command do you use to make the /etc/inputrc file immutable? "
technology programming languages

  1. chattr +i /etc/inputrc

  2. chmod 666 inputrc

  3. chmod g=rw inputrc

  4. None

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Correct Option: A

What Linux file would you use when performing a rescue after a hard disk problem occurs?

technology programming languages

  1. /dev/hda1

  2. /dev/null

  3. /dev/ram

  4. /dev/tty

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Correct Option: A