A system where the large language model (LLM) serves as the brain, natural language is the programming interface, and tools function as devices.
| Classical OS | Claude Code |
|---|---|
| Kernel | Claude (reasoning engine) |
| Memory | Context-window |
| Shell | Natural language |
| Process spawning | Sub-agents |
| System interrupts | Hooks |
| Background services | Skills |
| Filesystem | Context caching |
| Installed programs | Plugins |
| Device drivers | MCP servers |
| Config / dotfiles | CLAUDE.md |
| Package manager | Plugin marketplace |