https://eqrion.net/
# user = "pixel" # default
，更多细节参见搜狗输入法2026
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).
2024年12月23日 星期一 新京报
To understand my bandwidth usage I looked at how bubbletea rendering worked (ironically, bubbletea made massive improvements to their renderer days before I published this blog 2).