bsd man page for fold

FOLD(1) 						      General Commands Manual							   FOLD(1)

NAME
       fold - fold long lines for finite width output device

SYNOPSIS
       fold [ -width ] [ file ...  ]

DESCRIPTION
       Fold  is  a filter which will fold the contents of the specified files, or the standard input if no files are specified, breaking the lines
       to have maximum width width.  The default for width is 80.  Width should be a multiple of 8 if tabs are present,  or  the  tabs	should	be
       expanded using expand(1) before coming to fold.

SEE ALSO
       expand(1)

BUGS
       If underlining is present it may be messed up by folding.

3rd Berkeley Distribution					  April 29, 1985							   FOLD(1)