Shrink or extend the size of each file to the specified size. Usage: truncate [OPTION]... [FILE]... Arguments: ... Options: -o, --io-blocks treat SIZE as the number of I/O blocks of the file rather than bytes -c, --no-create do not create files that do not exist -r, --reference base the size of each file on the size of RFILE -s, --size set or adjust the size of each file according to SIZE, which is in bytes unless --io-blocks is specified -h, --help Print help -V, --version Print version SIZE is an integer with an optional prefix and optional unit. The available units (K, M, G, T, P, E, Z, and Y) use the following format: 'KB' => 1000 (kilobytes) 'K' => 1024 (kibibytes) 'MB' => 1000*1000 (megabytes) 'M' => 1024*1024 (mebibytes) 'GB' => 1000*1000*1000 (gigabytes) 'G' => 1024*1024*1024 (gibibytes) SIZE may also be prefixed by one of the following to adjust the size of each file based on its current size: '+' => extend by '-' => reduce by '<' => at most '>' => at least '/' => round down to multiple of '%' => round up to multiple of