18 February 2026ShareSave
The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
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Features (like Canva presentations) could use some improvement.
l00777 0 0 0 /opt - var/opt
第一条 为了预防、遏制和治理网络犯罪活动，维护国家安全、社会稳定和网络秩序，保护公民和组织的合法权益，根据宪法，制定本法。