What is echo $? In linux?
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Name a service that you should disable (which acts both as web and ftp server) on a linux server?
Who owns data dictionary?
How to unzip a file in Linux?
How many default number of shells available and what are their names?
How many types of shells are there in linux?
Are there viruses for linux?
What are the different modes when using the vi editor?
Can linux computer be made a router so that several machines may share a single internet connection? How?
What is the full form of linux?
what are the ways to find ip address of any domain name say google.com in linux operating system?
What is a split-horizon dns?
How does linux shell work?