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OpenCode is an open source AI coding agent. It runs in your terminal. You choose the model. You own your workflow.

Tmux is central to how I work. It looks good and gets things done. Here is my complete setup with configuration files, custom scripts, and why I made each choice.

Databases store data in pages (commonly 8 KB each) containing multiple rows. Without indexes, finding a specific record can require scanning many pages sequentially, which is inefficient and slow. Indexes act as maps, guiding the query engine directly to the required data, dramatically reducing lookup times.