What is the use of sed command in unix?
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which script will invoke first ,when /etc/init.d starts
Give a regular expression that finds two things, try to come up with regular expressions that find each individually using "egrep" command?
What is the use of pipes?
What are filter commands in unix?
What Is the command to change a file's creation time. means one file is created at the time 15:19 then time should br changed to 14:14
why unix commands can be divided into internal and external commands?
Name the various commands that are used for the user information in unix.
What is grep and how do you use it?
Enlist some filename manipulation commands in unix.
What is clustering in HP and how it's work?
Why is it called a shebang?
Can a process kill itself in UNIX/or in its various versions?