How check if port is open linux?
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How to zip a file in Linux?
which are the configuration files associate with dns server and client in linux operating system?
What is the first process in linux?
Name a service that you should disable (which acts both as web and ftp server) on a linux server?
If a volume group named vg0 already exists and we need to extend this volume group up to 4gb. How will you do it?
When you create a new partition, you need to designate its size by defining the starting and ending?
What are the different modes when using the vi editor?
In /etc/fstab, what is the meaning of defaults word and 0 0 indicates which options?
Explain regular expressions?
What is mutex in linux?
Can linux get hacked?
Is freebsd faster than linux?