How to use the head and tail commands: 2-Minute Linux Tips

The video tutorial explains the basic Linux commands 'head' and 'tail'. The 'head' command is used to display the top lines of a text file, while the 'tail' command shows the last lines. Users can specify the number of lines or characters to display. The tutorial also covers piping outputs from other commands to 'head' or 'tail' to view specific data, such as the most recently updated files in a directory.

What is the default number of lines displayed by the head command?

• 5 lines

• 15 lines

• 20 lines

• 10 lines

Which command would you use to see the last lines of a file?

• tail

• head

• cat

• grep

How can you view the most recently updated files in a directory using tail?

• By using tail with the -f option

• By piping the output of ls -lt to tail

• By using tail with the -r option

• By using tail with the -n option

What can you select with the head and tail commands besides lines?

• Words

• Bytes

• Paragraphs

• Characters

If you want to display the first 10 characters of a file, which command would you use?

• tail -n 10

• tail -c 10

• head -c 10

• head -n 10