{"name":"CLAUDE_CODE_DISABLE_POWERSHELL_CMD_RM_DENY","slug":"claude-code-disable-powershell-cmd-rm-deny","family":"env","title":"Environment variables","noun":"environment variable","description":"Set to `1` to turn off the [PowerShell tool](\/docs\/en\/tools-reference#powershell-tool) check that denies the `cmd` built-ins `rd`, `rmdir`, `del`, and `erase` on a [system path](\/docs\/en\/permission-modes#remove-item-in-powershell), such as a drive root or your home directory. Claude Code ignores this variable in a settings file's `env` block. Requires Claude Code v2.1.283 or later","description_source":"docs","described_by":{"doc":"claude-code\/env-vars","title":"Environment variables"},"presence":{"first_seen":"2.1.283","removed_in":null,"in_current_build":true,"newest_mined":"2.1.283","builds":1,"mined_builds":126,"first_cited":{"version":"2.1.283","released_at":"2026-09-25 18:46:11","spans":1}},"aliases":[],"entries":[{"version":"2.1.283","anchor":"cmdexe-rdrmdirdelerase-on-protected-paths-blocked-in-pow","heading":"PowerShell blocks cmd.exe deletes aimed at drive roots or the home folder","line":"Delete commands like `rd` or `del` run through cmd.exe are now blocked when they target a drive root, a top folder or home","released_at":"2026-09-25 18:46:11","reason":"found in this entry's text"},{"version":"2.1.283","anchor":"powershell-guard-blocks-cmd-c-rd-rmdir-del-and-erase-aime","heading":"PowerShell commands can no longer use cmd to delete drive roots or your home folder","line":"Claude Code now refuses rd, rmdir, del and erase run through cmd inside PowerShell when they target a drive root or your home folder","released_at":"2026-09-25 18:46:11","reason":"found in this entry's text"}],"entries_total":2,"docs":[{"source":"claude-code","path":"env-vars","title":"Environment variables","documented":true},{"source":"claude-code","path":"permission-modes","title":"Choose a permission mode","documented":false},{"source":"claude-code","path":"settings-reference","title":"All settings","documented":false}],"docs_total":3,"gates":[],"related":[{"name":"CLAUDE_CODE_DISABLE_1M_CONTEXT","slug":"claude-code-disable-1m-context","description":"Set to `1` to disable [1M context window](\/docs\/en\/model-config#extended-context) support. When set, 1M model variants are unavailable in the model picker, and Claude Code holds sessions on models with a native 1M window, such as [Sonnet 5](\/docs\/en\/model-config#sonnet-5-context-window) and the Fable models, to a 200K window; see [Extended context](\/docs\/en\/model-config#extended-context) for how the hold is enforced. Useful for enterprise environments with compliance requirements. For its role in correcting the window for an unrecognized `[1m]` model ID, see [Correct the window for a gateway or custom model ID](\/docs\/en\/model-config#correct-the-window-for-a-gateway-or-custom-model-id)"},{"name":"CLAUDE_CODE_DISABLE_ADAPTIVE_THINKING","slug":"claude-code-disable-adaptive-thinking","description":"Set to `1` to disable [adaptive reasoning](\/docs\/en\/model-config#adjust-effort-level) on Opus 4.6 and Sonnet 4.6 and fall back to the fixed thinking budget controlled by `MAX_THINKING_TOKENS`. Has no effect on [Fable models](\/docs\/en\/model-config#extended-thinking), Sonnet 5, or Opus 4.7 and later, which always use adaptive reasoning"},{"name":"CLAUDE_CODE_DISABLE_ADMIN_ENV_UNION","slug":"claude-code-disable-admin-env-union","description":"Set to `1` to stop Claude Code from merging [managed settings](\/docs\/en\/managed-settings#precedence-within-the-managed-tier) `env` blocks per key across admin sources, so only the highest-priority source's whole `env` block applies, as before v2.1.223. Set it in the environment that launches Claude Code, since Claude Code ignores a copy delivered through a settings `env` block. Requires Claude Code v2.1.223 or later"},{"name":"CLAUDE_CODE_DISABLE_ADVISOR_TOOL","slug":"claude-code-disable-advisor-tool","description":"Set to `1` to disable the [advisor tool](\/docs\/en\/advisor). The `\/advisor` command becomes unavailable, any configured `advisorModel` is ignored, and the `--advisor` flag is accepted but has no effect, so existing scripts that pass it continue to work without errors"},{"name":"CLAUDE_CODE_DISABLE_AGENT_VIEW","slug":"claude-code-disable-agent-view","description":"Set to `1` to turn off [background agents and agent view](\/docs\/en\/agent-view): `claude agents`, `--bg`, `\/background`, and the on-demand supervisor. Equivalent to the [`disableAgentView`](\/docs\/en\/settings-reference#disableagentview) setting"},{"name":"CLAUDE_CODE_DISABLE_AGENTS_FLEET","slug":"claude-code-disable-agents-fleet","description":null},{"name":"CLAUDE_CODE_DISABLE_ALTERNATE_SCREEN","slug":"claude-code-disable-alternate-screen","description":"Set to `1` to disable [fullscreen rendering](\/docs\/en\/fullscreen) and use the classic main-screen renderer. The conversation stays in your terminal's native scrollback so `Cmd+f` and tmux copy mode work as usual. Takes precedence over `CLAUDE_CODE_NO_FLICKER` and the [`tui`](\/docs\/en\/settings-reference#tui) setting. You can also switch with `\/tui default`. Does not apply to background sessions opened from [agent view](\/docs\/en\/agent-view), which always use fullscreen rendering"},{"name":"CLAUDE_CODE_DISABLE_ARTIFACT","slug":"claude-code-disable-artifact","description":"Set to `1` to turn off the [Artifact](\/docs\/en\/artifacts) tool, which publishes session output as a private web page on claude.ai. Once you set it, no settings file turns the tool back on. To turn the tool off from a settings file instead, set [`enableArtifact`](\/docs\/en\/settings-reference#enableartifact) to `false`; the deprecated [`disableArtifact`](\/docs\/en\/settings-reference#disableartifact) key also turns it off"},{"name":"CLAUDE_CODE_DISABLE_ATTACHMENTS","slug":"claude-code-disable-attachments","description":"Set to `1` to disable attachment processing. File mentions with `@` syntax are sent as plain text instead of being expanded into file content"},{"name":"CLAUDE_CODE_DISABLE_ATTRIBUTION_BASELINE_REUSE","slug":"claude-code-disable-attribution-baseline-reuse","description":null}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-code-disable-powershell-cmd-rm-deny","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}