/dev

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/dev is one of the root directories and represents the entry-point for all devices in the system.

Typically, every disk, terminal, usb-port etc. has an entry point in /dev.

  • /dev/ram memory
  • /dev/md# raid disks
  • /dev/hda first IDE disk
  • /dev/hda1 first partition on first IDE disk in older kernels
  • /dev/hdb second IDE disk
  • /dev/hdb1 first partition on second IDE disk
  • /dev/sda first SCSI/SATA disk
  • /dev/sda1 first partition on first scsi disk
  • /dev/sdb second scsi disk
  • /dev/sdb1 first partition on second scsi disk
  • /dev/sdb1 first partition on second scsi disk
  • /dev/mapper layout scheme for LVM partitions
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