The KVM module in the kernel exposes the virtualized hardware through the /dev/kvm character device.
内核中的KVM通过 /dev/kvm字符设备来公开虚拟化后的硬件。
The tape driver is a sequential access device and registers itself as a character device through register_chrdev_region.
磁带驱动器是顺序存取设备，会通过 register_chrdev_region 将自身注册为字符设备。
Most importantly, if each SPU is represented by a single character device, it becomes hard for an application to find an SPU that is not yet used by another.
最为重要的是，如果每个SPU都是由一个字符设备来表示的，那么程序就很难发现一个还没有被其他程序使用的SPU。
Most importantly, if each SPU is represented by a single character device, it becomes hard for an application to find an SPU that is not yet used by another.
最为重要的是，如果每个SPU都是由一个字符设备来表示的，那么程序就很难发现一个还没有被其他程序使用的SPU。
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