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1.1 ! root 1: ! 2: ! 3: mboot Device Driver mboot ! 4: ! 5: ! 6: ! 7: ! 8: Master boot block for hard disk ! 9: ! 10: ! 11: To be bootable, a COHERENT file system must contain a boot block ! 12: (either boot or mboot). In addition, all hard disks must con- ! 13: tain the master boot block mboot or an equivalent. ! 14: ! 15: mboot is the master boot block for a hard-disk drive. It is com- ! 16: patible with, and therefore can replace, the IBM master boot ! 17: block installed by the MS-DOS command FDISK. It must be in- ! 18: stalled in the first sector of the hard disk, as follows: ! 19: ! 20: ! 21: /etc/fdisk -b /conf/mboot /dev/at0x ! 22: /bin/sync ! 23: ! 24: ! 25: mboot searches its internal partition table (updated by the com- ! 26: mand ffddiisskk) for an active partition. The user can select an al- ! 27: ternate partition by pressing 0-3 before the active partition is ! 28: selected. If the selected partition is of non-zero size with a ! 29: valid partition boot block, the partition's boot block is ex- ! 30: ecuted. Otherwise, the prompt ! 31: ! 32: ! 33: Select partition [0-7] ! 34: ! 35: ! 36: will appear. ! 37: ! 38: ***** Files ***** ! 39: ! 40: /ccoonnff/mmbboooott -- Hard-disk master boot block ! 41: ! 42: ***** See Also ***** ! 43: ! 44: boot, device drivers, fdisk, mkfs ! 45: ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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