This documents version 0.2.1. The support recordtracks platform verification and exact-version publication evidence separately.
Create one or more directories. Supports recursive parent creation (-p),numeric octal modes (-m), and verbose output (-v). Failed operands do notstop later directories from being attempted.
Without -m, new directories use 0777 & ~umask. With -p -m MODE, only therequested leaf receives MODE; newly created parents use the default mode.Existing directories accepted by -p keep their permissions. Numeric -mis applied after creation so the requested leaf mode is not reduced by umask.Symbolic modes are not implemented. The parent-permission behavior is verifiedunder ordinary POSIX umasks; unusual umasks requiring temporary ownerwrite/search permissions and Windows mode semantics remain unverified.
Standalone --version prints exactly mkdir 0.2.1 followed by onenewline. Standalone --help starts with Usage: mkdir, lists bothmetadata options, and ends with a newline. Both write to stdout, leave stdinunread, and exit with status 0. Exact-version publication and verificationremain recorded separately in the support record.