3 fold \- fold long lines
5 \fBfold\fR [\fB\-\fIn\fR]\fR [\fIfile\fR] ...\fR
20 # How long should the output lines be
24 # Fold \fIstdin\fR to 60 characters
27 # Fold \fIfile\fP to 80 characters
30 \fIFold\fR takes copies its input from the named file (or \fIstdin\fR,
31 if none is specified) to standard output.
32 However, lines longer than the given maximum (default 80) are broken
33 into multiple lines of the maximum length by inserting new line characters.