Which command will show you free/used memory? Does free memory exist on linux?
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What is the purpose of the 'ps' command?
What is the command to see the installed rpm's in the linux system.
What is the purpose of the 'chmod' command?
What are the mv command options?
How do I run a script in linux?
why context switching time should be minimum? How it depends on hardware support?
What are the ms dos commands?
Write about an internal command.
What is the command to change from /etc/passwd file to /etc/shadow file?
What is a ulimit in unix?
My linux machine is crashed due to root file system, I need not to bother about the root file system, but i need to take care of /etc, /usr, like that.,, can i recover these file systems?
what is the command to view gateway?