Ignore first 4 lines of cat command output and display first word of remaining lines Unix

Below awk command is very useful to run small scripts in Unix.

Ignore first 4 lines of cat command output and display first word of remaining lines  Unix

Purpose Ignore first 4 lines of cat command output and display first word of remaining lines.

[root@nsk-linux tmp]# cat test.txt
Public cloud is future
Automation never ends
Infra as a Service
Private Cloud
Baremetal Cloud Service
Amazon Cloud service

[root@nsk-linux tmp]# cat test.txt |  awk '{if(NR>4)print $1}'
Baremetal
Amazon

Here, as per our need we can change the value.