amd is the file system automounter daemon. It automatically mounts an unmounted file system whenever a file or directory within that file system is accessed. File systems are automatically unmounted again after a period of disuse. This file is where you would add amd options to be run every time by amd. Options include specifying where amd activity should be logged, and specifying how long amd should wait before umounting an idle file system.
The mount point used to access the device. In this case, /misc/cd.
Mounting options. In this case, the drive is configured for standard, read-only CD-ROMS.
The location of the filesystem to mount. In this case, it is the local CD-ROM drive, cdrom. The colon indicates that the drive is a local device.
The mount point used to access the device. In this case, /misc/floppy.
Mounting options. In this case, the drive is configured to automatically recognize the type of disk and mount it appropriately. For example, a floppy can be formatted for DOS or Linux.
The location of the filesystem to mount. In this case, it is the first local floppy drive, fd0.The colon indicates that the floppy is a local device.