Linux "fold" Command Line Options and Examples
wrap each input line to fit in specified width
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.
fold [OPTION]... [FILE]...
Command Line Options:
count bytes rather than columns
fold -b ...
use WIDTH columns instead of 80
fold -w ...
display this help and exit
fold --help ...
output version information and exitAUTHORWritten by David MacKenzie.REPORTING BUGSGNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report fold translation bugs to <http://translationproject.org/team/>COPYRIGHTCopyright © 2017 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://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.
fold --version ...