What is the nmap command?
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When the shell is reading the command line what is the difference between text enclosed between double quotes ( ” ) and text enclosed between signal quotes ( ’ )?
What is the command to find hidden files in the current directory?
What are filter commands in unix?
What are the dos commands?
What does pipe () return?
What does grep v grep do?
Explain iostat, vmstat and netstat.
what is ls -ltd?
what does the job command do?
if we create a file, in that 10 rows(means 1,2,....9,10 like). i want 7 row exactly, which command use in unix? plz send this question.
distinguish between multi-tasking,multi-user,multi- processing and time sharing?
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What is the unix command to confirm a remote host is alive or not?