col

English [kɒl] American [kɑ:l]

n.峳;山口;pass,xia road,pass;shanwu

Linux col command syntax

Function: The col command is used to filter control characters.

Syntax: col [-bfx][-l<Number of buffer columns>]

Linux col command example

Save the help document of the man command as man_help, and use the -b parameter to filter all control characters. Use the following command in the terminal:

man man | col-b > man_help