Copilot/CLI

Copilot CLI Installation

Scripted Install

See https://github.com/github/copilot-cli

User Install: (installs to: $HOME/.local/bin/copilot)

curl -fsSL https://gh.io/copilot-install | bash
wget -qO- https://gh.io/copilot-install | bash

Global Install: (installs to: /usr/local/bin/copilot)

curl -fsSL https://gh.io/copilot-install | sudo bash
wget -qO- https://gh.io/copilot-install | sudo bash

Install in GitHub CLI

Install GitHub CLI

1. Install GitHub CLI

Choose the command for your operating system:

macOS:

brew install gh

Windows (Winget):

winget install GitHub.cli

Windows (Scoop):

scoop install gh

Linux (Ubuntu/Debian):

sudo apt install gh

Linux (Fedora/RHEL):

sudo dnf install gh

GH Authenticate

2. Authenticate:

gh auth login

Install GH Copilot Extension

3. Install the Copilot Extension:

gh extension install github/gh-copilot

Update GH Copilot Extension

4. Update the Extension (Optional)

gh extension upgrade gh-copilot

Use GH Copilot CLI

5. Use the CLI

gh copilot explain "command"

gh copilot suggest "what you want to do"

If you want, I can help you set up aliases (like ?? or git?) to make triggering Copilot suggestions much faster in your shell. Let me know if you use Bash, Zsh, or PowerShell.

References to GH Copilot CLI

References

• https://docs.github.com/en/copilot/how-tos/copilot-cli/set-up-copilot-cli/install-copilot-cli
• https://www.linkedin.com/posts/github_have-you-tried-github-copilot-in-the-cli-activity-7179897577172074496-jw4T
• https://www.linkedin.com/posts/juliangoldieseo_new-github-copilot-cli-is-insane-activity-7377931244484964352-mr2Y
• https://itnext.io/getting-started-with-github-copilot-66fb63c88cbe
• https://apito.ai/en/blog/tools/github-copilot-claudeapi-byok-setup/
• https://www.promptfu.com/blog/github-copilot-cli-mastery-guide/

Set Model

Set Model:

/config model claude-opus-5

Common options:

• claude-opus-5
• claude-sonnet-4.5
• claude-haiku-4.5

Set effort level: ("Reasoning effort for models that support it")

/config effortLevel xhigh
  options: none, minimal, low, medium, high, xhigh, max

Calude Opus 5 supports effort levels, but Claude Sonnet 4.5 and Claude Haiku 4.5 do not

Multi-Line

Use: Ctrl+g to bring up vim

Or alt+enter

Note: shift+enter does not work