What is $$ in shell script?
what is the booting process of linux systen and explain it,is the first process comes under the installation process.
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What is know about grep commands?
i dont know root password then this situation can we change or break root password to ant process
Explain about refer?
What is the command to see on which port which service is running? And what is the difference between /etc/services file and net stat command?
What is mkdir p linux?
How do you clear the screen in linux?
You wish to print a file ‘draft’ with 60 lines to a page. What command would you use?
Which is the required command for checking the file system?
What does (cd dir && command) do?
How to check load balance using linux command?
What are whois tools?