head Linux Command Cheatsheet
head Linux Command is used to display beginning of a text file/ piped data.
Syntax
head [options] file-name
Examples
For example consider the following file
$ cat readme.txt
line1
line2
line3
line4
line5
line6
line7
line8
line9
line10
line11
line12
line13
line14
line15
$ head readme.txt
line1
line2
line3
line4
line5
line6
line7
line8
line9
line10
Note: head by default shows first 10 lines
Showing first 2 lines
$ head -n 2 readme.txt
line1
line2
Showing first 5 lines
$ head -n 5 readme.txt
line1
line2
line3
line4
line5
Showing from multiple files
$ head -n 2 readme.txt readme-2.txt
==> readme.txt <==
line1
line2
==> readme-2.txt <==
line1
line2
Showing from all files that are starting with readme
$ head -n 2 readme*
==> readme-2.txt <==
line1
line2
==> readme-3.txt <==
line1
line2
==> readme.txt <==
line1
line2