The usage of the Linux basic command fold

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Fold

Displays the file at the specified width. The scope of this command: RedHat, RHEL, Ubuntu, CentOS, SUSE, openSUSE, Fedora.

1. Grammar

Fold [options] file

2. List of options

Option

Description

-- help

Show help documentation

-- version

Display version information

-b |-- bytes

Specifies the width in bytes

-c |-- characters

Specifies the width in characters

-s |-- space

Divide by SPAC

-w |-- width

Specify column width, default is 30

3. Examples

Output every 6 bytes on one line

[root@localhost weijie] # cat 1.c

Hello world, i am david. I love linux, love code.

[root@localhost weijie] # fold-b6 1.c

Hello

World

I am

David.

I lov

E linu

X, lov

E code

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