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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.35.
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.TH TRUNCATE "1" "October 2012" "GNU coreutils 8.20" "User Commands"
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truncate \- shrink or extend the size of a file to the specified size
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\fIOPTION\fR... \fIFILE\fR...
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.\" Add any additional description here
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Shrink or extend the size of each FILE to the specified size
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A FILE argument that does not exist is created.
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If a FILE is larger than the specified size, the extra data is lost.
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If a FILE is shorter, it is extended and the extended part (hole)
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Mandatory arguments to long options are mandatory for short options too.
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\fB\-c\fR, \fB\-\-no\-create\fR
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do not create any files
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\fB\-o\fR, \fB\-\-io\-blocks\fR
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treat SIZE as number of IO blocks instead of bytes
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\fB\-r\fR, \fB\-\-reference\fR=\fIRFILE\fR
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\fB\-s\fR, \fB\-\-size\fR=\fISIZE\fR
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set or adjust the file size by SIZE
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display this help and exit
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output version information and exit
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SIZE is an integer and optional unit (example: 10M is 10*1024*1024). Units
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are K, M, G, T, P, E, Z, Y (powers of 1024) or KB, MB, ... (powers of 1000).
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SIZE may also be prefixed by one of the following modifying characters:
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\&'+' extend by, '\-' reduce by, '<' at most, '>' at least,
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\&'/' round down to multiple of, '%' round up to multiple of.
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Written by Padraig Brady.
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Report truncate bugs to bug\-coreutils@gnu.org
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GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
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General help using GNU software: <http://www.gnu.org/gethelp/>
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Report truncate translation bugs to <http://translationproject.org/team/>
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Copyright \(co 2012 Free Software Foundation, Inc.
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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dd(1), truncate(2), ftruncate(2)
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The full documentation for
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is maintained as a Texinfo manual. If the
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programs are properly installed at your site, the command
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.B info coreutils \(aqtruncate invocation\(aq
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should give you access to the complete manual.
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man/truncate.1
