Tag: technology

Questions Related to technology

What command do you have to use to go to the parent directory?
technology operating systems

  1. cd -

  2. cd ..

  3. cd ~

  4. cd /up

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Correct Option: C

How do you delete a file?
technology operating systems

  1. rm filename

  2. less filename

  3. touch filename

  4. dl filename

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Correct Option: A

With what can you stop a process?
technology operating systems

  1. stop

  2. kill

  3. delete

  4. shupdown

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Correct Option: B

How can you display a list of all files, including the hidden files?
technology operating systems

  1. ls -a

  2. ls -all

  3. find -all

  4. find a

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Correct Option: A

What does the command ls do?
technology operating systems

  1. isplay of the contents of a file

  2. Shows a calendar

  3. Display of files and folders, present in the folder where you are

  4. Opening a file

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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: B

How to create a new file without opening it?
technology operating systems

  1. pico filename

  2. cat filename

  3. more filename

  4. touch filename

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Correct Option: D

With what command you can see your user name?
technology operating systems

  1. pwd

  2. me

  3. i

  4. whoami

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Correct Option: D

With what command you can see what folder you are in?
technology operating systems

  1. whereami

  2. place

  3. pwd

  4. trace

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Correct Option: C

what can be the possible value for the data type number(4,3)?
technology databases

  1. 25.358

  2. 1254.663

  3. 1.1242

  4. 2.425

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Correct Option: D