CLAUDE_BASH_NO_LOGIN

Updated October 13, 2026 by Alex Sorokoletov

CLAUDE_BASH_NO_LOGIN is a Claude Code environment variable: Replaced by CLAUDE_CODE_SHELL_PREFIX. Its release history is not tracked here. It is not in the official reference.

Status	Present in v2.1.294
Category	Shell and tools
Official docs	Not listed

How to set it

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

export CLAUDE_BASH_NO_LOGIN=<value>
claude

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

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

Release notes that mention it

Related variables

BASH_MAX_OUTPUT_LENGTH: Max bash output character length.
CLAUDE_BASH_MAINTAIN_PROJECT_WORKING_DIR: Maintain consistent working directory across commands.
CLAUDE_CODE_BASH_EDIT_DIFF
CLAUDE_CODE_GIT_BASH_PATH: Git Bash executable path (Windows).
CLAUDE_CODE_BASH_OUTPUT_AUDIENCE_NOTE
CLAUDE_CODE_REMOTE_TOOLS_PIN_STORED_LOGIN
CLAUDE_CODE_TEST_NO_GIT_BASH
CLAUDE_CODE_DISABLE_ADVISOR_TOOL: Disables what appears to be an internal advisory tool.

Frequently asked questions

What does CLAUDE_BASH_NO_LOGIN do?

Replaced by CLAUDE_CODE_SHELL_PREFIX

Which Claude Code version has CLAUDE_BASH_NO_LOGIN?

Its release history is not tracked here.

How do I set CLAUDE_BASH_NO_LOGIN?

Export it before starting Claude Code (export CLAUDE_BASH_NO_LOGIN=value), or add it to the "env" object in ~/.claude/settings.json to apply it to every session.

All variables, searchable: Claude Code environment variables.