head1
Output the first part of files
Usage
head [OPTION] ...
[FILE] ...
Overview
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, R, Q. Binary prefixes can be used, too: KiB=K, MiB=M, and so on.
Releases
19 releases since Debian 1.1 (Buzz); the text changed 15 times.
--zero-terminated since Debian 9 (Stretch);
-z since Debian 9 (Stretch).
-l until Debian 1.1 (Buzz).