Man1 - fold.1

fold - wrap each input line to fit in specified width

fold [/OPTION/]… [/FILE/]…

Wrap input lines in each FILE, writing to standard output.

With no FILE, or when FILE is -, read standard input.

Mandatory arguments to long options are mandatory for short options too.

-b, –bytes

count bytes rather than columns

-s, –spaces

break at spaces

-w, *–width*=/WIDTH/

use WIDTH columns instead of 80

–help

display this help and exit

–version

output version information and exit

Written by David MacKenzie.

GNU coreutils online help: https://www.gnu.org/software/coreutils/
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Copyright © 2021 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later https://gnu.org/licenses/gpl.html.
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

Full documentation https://www.gnu.org/software/coreutils/fold
or available locally via: info ’(coreutils) fold invocation’