What is du command in linux?
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who invented unix?
What does the command env do?
You need to see the last fifteen lines of the files dog, cat and horse. What command should you use?
What does the following command line produce? Explain each aspect of this line. $ (date ; ps -ef | awk {print $1}' | sort | uniq | wc -l ) >> Activity.log
How do I permanently delete linux history?
How do you do nslookup?
What is df -h command?
How do I run multiple commands in linux?
Explain about gzip filename?
What would you do when all the processess hangs and there is no other option in unix?
What is echo command in batch file?
difference between Tcp and udp