CLAUDE_CODE_DISABLE_BG_SHELL_PRESSURE_REAP

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_CODE_DISABLE_BG_SHELL_PRESSURE_REAP is a Claude Code environment variable. Added between v2.1.143 and v2.1.212 and still present in v2.1.294. It is listed in the official reference.

How to set it

For one session, export it in the shell that starts Claude Code:

export CLAUDE_CODE_DISABLE_BG_SHELL_PRESSURE_REAP=<value>
claude

To apply it to every session, add it to the env object of a settings file:

// ~/.claude/settings.json
{
  "env": {
    "CLAUDE_CODE_DISABLE_BG_SHELL_PRESSURE_REAP": "<value>"
  }
}

Related variables

• CLAUDE_CODE_DISABLE_INLINE_SHELL_RM_PROMPT: Turns off the new prompt that catches a dangerous rm inside an inline bash -c or sh -c script.
• CLAUDE_CODE_DISABLE_WINDOWS_SHELL_LAUNCHER
• CLAUDE_CODE_DISABLE_ADVISOR_TOOL: Disables what appears to be an internal advisory tool.
• CLAUDE_CODE_DISABLE_POWERSHELL_CMD_RM_DENY
• CLAUDE_CODE_DISABLE_WEB_FETCH: Turns off the WebFetch tool.
• CLAUDE_CODE_SHELL: Override shell for Bash tool (must be bash or zsh).
• CLAUDE_CODE_SHELL_PREFIX: Prefix command for shell execution.
• CLAUDE_CODE_SHELL_LAUNCHER_SCRIPT

Frequently asked questions

All variables, searchable: Claude Code environment variables.