head (1)

Quick Reference

Output the first part of files.

  • Output the first few lines of a file:

head -n {{count_of_lines}} {{filename}}

  • Output the first few bytes of a file:

head -c {{size_in_bytes}} {{filename}}

  • Output everything but the last few lines of a file:

head -n -{{count_of_lines}} {{filename}}

  • Output everything but the last few bytes of a file:

head -c -{{size_in_bytes}} {{filename}}

NAME

head - output the first part of files

SYNOPSIS

head [ OPTION]... [FILE]...

DESCRIPTION

Print the first 10 lines of each FILE to standard output. With more than one FILE, precede each with a header giving the file name.
With no FILE, or when FILE is -, read standard input.
Mandatory arguments to long options are mandatory for short options too.
-c, --bytes=[-]NUM
print the first NUM bytes of each file; with the leading '-', print all but the last NUM bytes of each file
-n, --lines=[-]NUM
print the first NUM lines instead of the first 10; with the leading '-', print all but the last NUM lines of each file
-q, --quiet, --silent
never print headers giving file names
-v, --verbose
always print headers giving file names
-z, --zero-terminated
line delimiter is NUL, not newline
--help
display this help and exit
--version
output version information and exit
NUM may have a multiplier suffix: b 512, kB 1000, K 1024, MB 1000*1000, M 1024*1024, GB 1000*1000*1000, G 1024*1024*1024, and so on for T, P, E, Z, Y.

AUTHOR

Written by David MacKenzie and Jim Meyering.

REPORTING BUGS

GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
 
Report head translation bugs to <https://translationproject.org/team/>

SEE ALSO

tail(1)
Full documentation at: <https://www.gnu.org/software/coreutils/head>
 
or available locally via: info '(coreutils) head invocation'

Information

Source
Coreutils
OS/version
GNU coreutils 8.29.13-0a854
Source updated
December 2, 2018
Page created
February 9, 2018
Page generated
December 2, 2018