Sybase device
Sybase ASE allocates resources for a database through mechanism known as devices.
Before databases can be created, the devices on which they will be created must be initialized.
As per sybase definition device is a physical resource that stores the objects that make up the database
It can be any piece of disk, such as disk partition
It can be a file in the operating system
Devices are initialized using the disk init command
Command
use master
go
disk init name=‘test_device’,
physname=‘/path/to/device_file.dat’,size=’50M
go