What is the purpose of the makewhatis command?

What does permission 777 denote?

Which of the following commands lets you search for text in a file without opening the file first?

What does the head command do?

Which is the correct syntax to display the calendar of September 2005?

What does the history command do?

Using cat command, which option is used to print the line number?

What does the 'tcpdump' command do?

what does the following command do? 'watch -n 1 du -hs /tmp/file'

How would you create a disk dump in RedHat Linux?

Which statements are true about a source RPM?