FOLD(1) User Commands 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.

count bytes rather than columns
count characters rather than columns
break at spaces
use WIDTH columns instead of 80
display this help and exit
output version information and exit

Written by David MacKenzie.

Report bugs to: bug-coreutils@gnu.org
GNU coreutils home page: https://www.gnu.org/software/coreutils/
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Copyright © 2025 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.

fmt(1)

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

September 2025 GNU coreutils 9.8