MCOOKIE(1) MCOOKIE(1) mcookie - ,,xauth" mcookie [] mcookie 128- X . : xauth add :0 . mcookie ,," MD5 getrandom(2) , /dev/urandom, /dev/random, libc - , . --file. -f, --file ( /dev/urandom). ,,-", . -m, --max-size . . KiB=1024, MiB=1024*1024, GiB, TiB, PiB, EiB, ZiB YiB (,,iB" , ., ,,K" ,,KiB") KB=1000, MB=1000*1000, GB, TB, PB, EB, ZB YB. -v, --verbose , . -h, --help . -V, --version Display version and exit. /dev/urandom /dev/random . md5sum(1), X(7), xauth(1), rand(3) For bug reports, use the issue tracker . mcookie ,,util-linux" . util-linux 2.41 2025-03-29 MCOOKIE(1)