MD5SUM(1) MD5SUM(1) md5sum - compute and check MD5 message digest md5sum []... []... ,,MD5" (128-) . , -, . -b, --binary -c, --check read checksums from the FILEs and check them --tag -t, --text () -z, --zero , : --ignore-missing --quiet --status , --strict - -w, --warn --help --version The sums are computed as described in RFC 1321. When checking, the input should be a former output of this program. The default mode is to print a line with: checksum, a space, a character indicating input mode ('*' for binary, ' ' for text or where binary is insignificant), and name for each FILE. There is no difference between binary mode and text mode on GNU systems. Do not use the MD5 algorithm for security related purposes. Instead, use an SHA-2 algorithm, implemented in the programs sha224sum(1), sha256sum(1), sha384sum(1), sha512sum(1), or the BLAKE2 algorithm, implemented in b2sum(1) , . coreutils: Copyright (C) 2025 Free Software Foundation, Inc. 3+: 3 . : . , . cksum(1) ,,info '(coreutils) md5sum invocation'" ; 3 . . , - TODO <>. GNU coreutils 9.6 2025 MD5SUM(1)