What is know about grep commands?
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how do find all failed login attempts via ssh?
Explain about lpr filename?
How do I permanently set ulimit in linux?
Explain how you would find a specific string in a file.
what is the difference between RHEL4 & RHEL5?
Who am I command in linux?
What is the command to see all the processes are working in the last 30 days?
What is clang space engineers?
What is vnc?
Which command will show you free/used memory?
What is cd in cmd?
Explain how you would manage background and foreground processes in Linux.