What is gnu in linux?
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Explain about document formatting?
Which command is used to clear the screen?
What is history command in linux?
1. Why "d" is postfix in almost every service name of Linux like httpd, dhcpd? 2. how to restrict su & ssh services for some users? 3. how can we configure a default gateway for 10 n/w cards in a server?
How do I check my cpu speed?
How lilo is useful in linux?
Explain trap command; shift command, getopts command of linux?
What is tty in linux command?
a remote shell is invoked by the command a)remote_shell b)remote_sh c)rsh d)remote conn
What is df -h command?
What is difference between free and available memory in linux?
What is devops linux?