What does touch command do in unix?
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What is the size of time_t?
which script will invoke first ,when /etc/init.d starts
How we will execute previous command in vi editor?
What is the behavioural difference between cmp and diff commands?
How would you change all occurrences of a value using VI?
How is the command '$cat file2 ' different from '$cat >file2 and >> redirection operators ?
what does the 'tee' command do?
what do you understand bythe term 'de-mountable volumes'?
What is the pipe command?
What is $0 bash?
What Command is used to make a directory?
Which command is used to restrict incoming messages?