cheat sheets.

Prints selected parts of lines (of a text file), or, in other words, removes
certain sections of a line. You may wish to remove things according to tabs or
commas, or anything else you can think of...

Options for cut:

	-d 						# allows you to specify another delimiter
	cut -d ':' /etc/passwd
	
	-f 						# columns, separated by delimiter
	cut -d ',' -f 1 /etc/passwd 

	, 						# separate numbers, used to cut particular columns.
	cut -d ':' -f 1,7 /etc/passwd

	- 						# from line x to line y
	cut -c 1-50 file1.txt

	-x 						# cut from line 1 to “x”
	x- 						# cut from “x” to the end.
	cut -5, 20-, 8 file2.txt