ZDNET's key takeawaysThe Linux kernel is moving toward a better way of identifying developers and their code.
The 386 supports four privilege rings (0 through 3), though in practice nearly all operating systems use just two: ring 0 for the kernel and ring 3 for user programs. Three privilege levels interact on every segment access: CPL (Current Privilege Level), DPL (Descriptor Privilege Level), and RPL (Requested Privilege Level).
，这一点在Line官方版本下载中也有详细论述
09:00: Young people begin gathering at Maitighar Mandala, a busy intersection in central Kathmandu where demonstrations are often held.
南方周末：那你在之后演奏肖邦时，脑子里还会浮现起比赛的场景以及随之而来的噪音吗？