Cut Command in Shell Programming

 The cut command in UNIX is a command for cutting out the sections from each line of files and writing the result to standard output. It can be used to cut parts of a line by byte position, character and field. Basically the cut command slices a line and extracts the text. It is necessary to specify option with command otherwise it gives error. If more than one file name is provided then data from each file is not precedes by its file name.

$cut -d "delimiter" -f (field number) file.txt

[opc@instance-2 ~]$ cat myFirstScript.txt
pwd
This is my FirstScript
Once upon a time there lived a great king.
He was very kind and have never let any one down.

[opc@instance-2 ~]$ cut -d " " -f 1,5 myFirstScript.txt
pwd
This
Once there
He and

[opc@instance-2 ~]$ cut -d " " -f 1-5 myFirstScript.txt
pwd
This is my FirstScript
Once upon a time there
He was very kind and

https://www.geeksforgeeks.org/cut-command-linux-examples/