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Which command changes a file's group owner

  • chmod
  • chgrp
  • chown
  • chgrep
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1. Which command is used to know the LINUX version ?

  • uname
  • lname
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2. To display disk consumption of a specific directory which command is used ?

  • dd
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3. The system calls in UNIX is written using which language ?

  • Java
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4. Which among the following is used to write small programs to control Linux functionalities ?

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5. Which is most important for Multi-tasking ?

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