fold − fold
fold [OPTION]... [FILE]...
Writes each file (or standard input if no files are given) to standard output whilst breaking long lines
−b, −−bytes
count using bytes rather than columns (meaning control characters such as newline are not treated specially)
−s, −−spaces
break lines at word boundaries rather than a hard cut−off
−w, −−width <WIDTH>
set WIDTH as the maximum line width rather than 80
−h, −−help
Print help
−V, −−version
Print version