GNU/Linux man pages
Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :
GNU/Linux |
CentOS 5.6 |
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head(1) |
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head − output the first part of files
head [OPTION]... [FILE]...
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=[−]N
print the first N bytes of each file; with the leading ’−’, print all but the last N bytes of each file
−n, −−lines=[−]N
print the first N lines instead of the first 10; with the leading ’−’, print all but the last N lines of each file
−q, −−quiet, −−silent
never print headers giving file names
−v, −−verbose
always print headers giving file names
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−−help |
display this help and exit |
−−version
output version information and exit
N may have a multiplier suffix: b 512, k 1024, m 1024*1024.
Written by David MacKenzie and Jim Meyering.
Report bugs to <bug−coreutils@gnu.org>.
Copyright
© 2006 Free Software Foundation, Inc.
This is free software. You may redistribute copies of it
under the terms of the GNU General Public License
<http://www.gnu.org/licenses/gpl.html>. There is NO
WARRANTY, to the extent permitted by law.
The full documentation for head is maintained as a Texinfo manual. If the info and head programs are properly installed at your site, the command
info head
should give you access to the complete manual.
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head(1) | |