Shell Tools [cut / sed / awk / sort]

1. cut

• cut job is to "cut", specifically, it is in charge of the file,  cut and paste the data  used.
• The cut command from the file of the clip of bytes in each line , characters  and  fields , and these bytes, characters and output fields.

(1) Basic usage

cut [option parameter] filename

Note: The default delimiter is a tab

2. but

3. awk

4. sort