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LC_TERMINAL env variable
$LC_TERMINALThe
LC_TERMINAL environment variable was introduced by iTerm2 as a way to identify the terminal across SSH sessions. Because LC_* variables are forwarded by default in OpenSSH's SendEnv configuration, LC_TERMINAL survives the hop from local shell into a remote host where TERM_PROGRAM would otherwise be lost.
iTerm2 sets LC_TERMINAL=iTerm2 and LC_TERMINAL_VERSION to the build number. Other terminals occasionally adopt the convention to advertise themselves through SSH in the same way.How this is testedmanual
Manual verification required — no automated probe available.
Manual verification required — no automated probe available.
The same probe runs against headless backends (via Termless) and real terminal apps (via a daemon launched in each terminal). This lets us distinguish parser correctness from rendering correctness.
Supported by 0 of 14 backends (0%)
Terminal Applications
| Terminal | Version | Support | Notes |
|---|---|---|---|
| iTerm2 | 3.6.9 | ? unknown | |
| Ghostty | 1.3.1 | ? unknown | |
| Terminal.app | 2.15 | ? unknown | |
| Kitty | 0.46.2 | ? unknown | |
| VS Code | 1.113.0 | ? unknown | |
| Warp | 0.2026.03.18.08.24.03 | ? unknown | |
| Cursor | 2.6.21 | ? unknown |