This chapter is from the book
head
The head command displays the top part of text data. By default, the top ten lines are displayed. Use the -n option to display a different number of lines:
[student@localhost ~]$ ls -l | head -3 total 12 drwxrwxr-x. 2 student student 6 Aug 22 16:51 book drwxrwxr-x. 2 student student 6 Aug 22 16:51 class