Write a command to kill the last background job?
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What is grep in bash?
If we want to see first 35 lines of a file which command we have to use?
How we will execute previous command in vi editor?
distinguish between multi-tasking,multi-user,multi- processing and time sharing?
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what is the use of nice command?
what are the different hardwares available?
Which RAID Levels supported by LVM?
can we use cat command as an editor ..???
Is there any method to erase all files in the current directory, along with its all sub-directories, by using only one command?
What is command statement?
What is the unix command to confirm a remote host is alive or not?
what do you understand by 'building block primitive'?