You can use the boot command with any one of the following options:
net | Boots from a network interface. |
cdrom | Boots from a local CD-ROM drive. |
disk | Boots from a local hard disk. |
tape | Boots from a local tape drive. |
In addition, you can specify the name of the kernel to boot by including its relative path after the device specifier . Or, you can pass the “a option on the command line to force the operator to enter the path to the kernel on the boot device.