head
[options] [files]Print the first few lines of one or more files (default is 10).
-
nPrint the first n lines of the file.
-n
nPrint the first n lines of the file. Solaris only.
Display the first 20 lines of phone_list:
head -20 phone_list
Display the first 10 phone numbers having a 202 area code:
grep '(202)' phone_list | head