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Total No Of Questions: 20.
1) Which of the following keys is used to replace a single character with new text?


2) If you are to use [Control-c] as the interrupt key instead of [Del], then you will have to use


3) Which of the following commands can be used to get information about all users who are currently logged into the system?


4) Which command is used to set the three permissions for all the three categories of users of a file?


5) Which symbol is used to separate more than one command in the same command line?


6) Which of the following set options is used with vi editor to ignore case while searching for patterns?


7) Which option will be used with ps command to slow the entire command line of the process being run?


8) Which command is used to concatenate all files beginning with the string 'emp' and followed by a non-numeric characters?


9) Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?


10) Which command is used to count just the number of characters in a file?
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