Cut

Cut is a linux command that grabs a column in a file. So for example the first character of every line

It is a filter command.

Extraction of line segments can typically be done by bytes, characters , or fields

10-27
Processing vertically


 * 2 modes based on character position
 * based on fields

Options work weird
For example


 * cut -d: -f1,2,4-6 foo.txt
 * -d:
 * says delimiter is ':'
 * -f1,2,4-6
 * grabs fields 1,2,4,5,6
 * foo.txt
 * reads from file foo.txt