head(1) BSD General Commands Manual head(1)
head -- display first lines of a file
head [-n count | -c bytes] [file ...]
This filter displays the first count lines or bytes of each of the speci- fied files, or of the standard input if no files are specified. If count is omitted it defaults to 10. If more than a single file is specified, each file is preceded by a header consisting of the string ``==> XXX <=='' where ``XXX'' is the name of the file.
The head utility exits 0 on success, and >0 if an error occurs.
The head command appeared in PWB UNIX. BSD June 6, 1993 BSD
Mac OS X 10.6 - Generated Thu Sep 17 20:07:48 CDT 2009