# md5 > Calculate MD5 cryptographic checksums. > More information: . - Calculate the MD5 checksum for a file: `md5 {{filename}}` - Calculate MD5 checksums for multiple files: `md5 {{filename1}} {{filename2}}` - Output only the md5 checksum (no filename): `md5 -q {{filename}}` - Print a checksum of the given string: `md5 -s "{{string}}"`