Provided by: coreutils_8.5-1ubuntu6_i386
truncate - shrink or extend the size of a file to the specified size
truncate OPTION... FILE...
Shrink or extend the size of each FILE to the specified size
A FILE argument that does not exist is created.
If a FILE is larger than the specified size, the extra data is lost.
If a FILE is shorter, it is extended and the extended part (hole) reads
as zero bytes.
Mandatory arguments to long options are mandatory for short options
do not create any files
treat SIZE as number of IO blocks instead of bytes
use this FILE's size
use this SIZE
--help display this help and exit
output version information and exit
SIZE may be (or may be an integer optionally followed by) one of
following: KB 1000, K 1024, MB 1000*1000, M 1024*1024, and so on for G,
T, P, E, Z, Y.
SIZE may also be prefixed by one of the following modifying characters:
`+' extend by, `-' reduce by, `<' at most, `>' at least, `/' round down
to multiple of, `%' round up to multiple of.
Note that the -r and -s options are mutually exclusive.
Written by Padraig Brady.
Report truncate bugs to firstname.lastname@example.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report truncate translation bugs to
Copyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU
GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
dd(1), truncate(2), ftruncate(2)
The full documentation for truncate is maintained as a Texinfo manual.
If the info and truncate programs are properly installed at your site,
info coreutils 'truncate invocation'
should give you access to the complete manual.