fd(4) Device Drivers Manual fd(4) fd - -- 2. root.floppy (.. root, floppy), -- 0660 ( ) 0666 ( ). , , . , , . 128, . n . : , , . 40/80, , , . , , . , , : -------------------------------------- fdn 0 5.25 : . . -------------------------------------------------------------------------------------------------------------------- fdnd360 360 40 9 2 4 5.25 : . . -------------------------------------------------------------------------------------------------------------------- fdnh360 360 40 9 2 20 fdnh410 410 41 10 2 48 fdnh420 420 42 10 2 64 fdnh720 720 80 9 2 24 fdnh880 880 80 11 2 80 fdnh1200 1200 80 15 2 8 fdnh1440 1440 80 18 2 40 fdnh1476 1476 82 18 2 56 fdnh1494 1494 83 18 2 72 fdnh1600 1600 80 20 2 92 3.5 : . . -------------------------------------------------------------------------------------------------------------------- fdnu360 360 80 9 1 12 fdnu720 720 80 9 2 16 fdnu800 800 80 10 2 120 fdnu1040 1040 80 13 2 84 fdnu1120 1120 80 14 2 88 3.5 : . . -------------------------------------------------------------------------------------------------------------------- fdnu360 360 40 9 2 12 fdnu720 720 80 9 2 16 fdnu820 820 82 10 2 52 fdnu830 830 83 10 2 68 fdnu1440 1440 80 18 2 28 fdnu1600 1600 80 20 2 124 fdnu1680 1680 80 21 2 44 fdnu1722 1722 82 21 2 60 fdnu1743 1743 83 21 2 76 fdnu1760 1760 80 22 2 96 fdnu1840 1840 80 23 2 116 fdnu1920 1920 80 24 2 100 3.5 : . . -------------------------------------------------------------------------------------------------------------------- fdnu2880 2880 80 36 2 32 fdnCompaQ 2880 80 36 2 36 fdnu3200 3200 80 40 2 104 fdnu3520 3520 80 44 2 108 fdnu3840 3840 80 48 2 112 fd (raw mode). fd ioctl(2): FDCLRPRM ( ). FDSETPRM . , . FDDEFPRM ( ). , . . , FDCLRPRM. FDGETDRVTYP ( ). , , FDGETDRVTYP , , . FDFLUSH . FDSETMAXERRS , , , . FDSETMAXERRS . FDGETDRVTYP . FDWERRORCLR . FDWERRORGET . , , , , . , () . FDTWADDLE . , . FDSETDRVPRM . FDGETDRVPRM . FDGETDRVSTAT ( , . .) FDPOLLDRVSTAT . FDGETFDCSTAT . FDRESET . FDRAWCMD (raw command) . , floppycontrol(1). /dev/fd* . , , , . , (interleaved) . , GCR ( ), Apple II Macintosh ( 800k). ( ) . 8- . . chown(1), floppycontrol(1), getfdprm(1), mknod(1), superformat(1), mount(8), setfdprm(8) Azamat Hackimov , Dmitry Bolkhovskikh , Yuri Kozlov ; GNU 3 , . . , , . Linux man-pages 6.06 31 2023 . fd(4)