What command is used to switching between users in unix?
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what are filters?
What Command will remove a Directory in UNIX?
What is grep r?
What does this command do? Cat food 1 > kitty
what is the difference between SED and GREP ? Which one is more better and why?
What is the first character of the output in ls l command?
Suppose 1000 processes are running on the system out of those if you have to show only certain process ids which command will you use?
what is the use of "grep" command?
Why is it called a shebang?
Write a command that will display files in the current directory, in a colored, long format.
How does the user view the contents of a text file in UNIX?
how to find the 51th record of a file containing 100 records in unix.