Lines Matching full:shred
125 #define HELP_shred "usage: shred [-fuz] [-n COUNT] [-s SIZE] FILE...\n\nSecurely delete a file by overwriting its contents with random data.\n\n-f Force (chmod if necessary)\n-n COUNT Random overwrite iterations (default 1)\n-o OFFSET Start at OFFSET\n-s SIZE Use SIZE instead of detecting file size\n-u unlink (actually delete file when done)\n-x Use exact size (default without -s rounds up to next 4k)\n-z zero at end\n\nNote: data journaling filesystems render this command useless, you must\noverwrite all free space (fill up disk) to erase old data on those.\n\n"
