How many unix commands are there?
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distinguish between interrupts and exceptions?
what is the difference between pipe(|) and tee command..
What is the use of sed command in unix?
in a growing log file how will you see the 1st 99 lines?
How to identify whether a file is normal file or directory?
which command is used to stop a running process in unix?
Assume the following files are in the working directory prompt> ls -l tasks -rw-r--r-- 1 alex student 1423 Feb 21 14:01 tasks What command can Alex use to give everyone permission to write to the file? What will the ls -l command display if he does so?
Why is it called a shebang?
How do you know about running processes of a particular user?
What are the dos commands?
How we will execute previous command in vi editor?
what does the job command do?