For AI agents: the complete documentation index is available at https://www.jumpserver.com/docs/v4/llms.txt, the full documentation bundle is available at https://www.jumpserver.com/docs/v4/llms-full.txt, and this page is available as Markdown at https://www.jumpserver.com/docs/v4/faq.md.
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FAQ

Why doesn’t Ctrl+V enter Visual Block mode in Web Terminal (Luna)?

The Web Terminal (Luna) page is built on xterm.js, and since xterm.js interprets Ctrl + V as a paste command, this shortcut cannot be used to enter Vim’s Visual Block mode.

Vim provides an alternative shortcut, Ctrl + Q, which serves the same purpose and is functionally equivalent to Ctrl + V for entering Visual Block mode.