A persistent terminal session keeps your shell, running processes, and scrollback alive even after you disconnect or close the window. It's essential for remote development, long builds, and long-running AI agents that you don't want to interrupt.
Persistence traditionally comes from multiplexers like tmux, but some terminals offer it natively. For AI agents specifically, persistent sessions mean an agent can keep working while you step away.
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Related guides on the Agents UI blog and related terms in this glossary.