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Linux - General Questions
31) Is Linux Operating system virus free?

No, There is no operating system till date that is virus free, but Linux is known to have less number of viruses.

32) Which partition stores the system configuration files in Linux system?

/stc partition.

33) Which command is used to uncompress gzip files?

gunzip command is used to uncompress gzip files.

34) Why do developers use MD5 options on passwords?

MD5 is an encryption method, so it is used to encrypt the passwords before saving.

35) What is a virtual desktop?

The virtual desktop is used as an alternative to minimizing and maximizing different windows on the current desktop. Virtual desktop facilitates you to open one or more programs on a clean slate rather than minimizing or restoring all the needed programs.

36) What is the difference between soft and hard mounting points?

In the soft mount, if the client fails to connect the server, it gives an error report and closes the connection whereas in the hard mount, if the client fails to access the server, the connection hangs; and once the system is up, it again accesses the server.

37) Does the Alt+Ctrl+Del key combination work in Linux?

Yes, it works like windows.

38) What are the file permissions in Linux?

There are 3 types of permissions in Linux OS that are given below:

  • Read: User can read the file and list the directory.
  • Write: User can write new files in the directory .
  • Execute: User can access and run the file in a directory.
39) What are the modes used in VI editor?

There are 3 types of modes in vi Editor:

  • Regular mode or command mode
  • Insertion mode or edit mode
  • Replacement mode or Ex-mode
40) How to exit from vi editors?

The following commands are used to exit from vi editors.

  1. :wq saves the current work and exits the VI.
  2. :q! exits the VI without saving current work.
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