NAME
head
—
display the first part of
files
SYNOPSIS
head |
[-q | -v ]
[-n count |
-c bytes]
[file ...] |
DESCRIPTION
This filter displays the first count lines or bytes of each of the specified 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, or the
-v
flag is used, each file is preceded by a header
consisting of the string “==> XXX <==” where
“XXX” is the name of the file. The -q
flag disables the printing of the header in both cases.
EXIT STATUS
The head
utility exits 0 on
success, and >0 if an error occurs.
COMPATIBILITY
The historic command line syntax of head
is supported by this implementation.
This command is mostly compatible with GNU extensions to
head
.
SEE ALSO
STANDARDS
The head
utility conforms to
IEEE Std 1003.2-1992 (“POSIX.2”).
HISTORY
The head
command appeared in PWB
UNIX.