Best of Bash — April 2026

1. 1
   Video

   DevOps Toolbox·5w

   CMUX: Too Much Hype?

   A hands-on critical review of CMUX (Simax), a new Mac-only terminal multiplexer built on top of Ghostty, aimed at AI agent workflows. The reviewer explores its workspace management, embedded browser tabs, notification system, CLI API, and SSH features, comparing them extensively to tmux with plugins like Sesh and Session X. While acknowledging CMUX has unique features (embedded browser, agent notifications, scriptable API), the reviewer finds it too rough around the edges, Mac-only, and not compelling for experienced tmux or Ghostty power users. The conclusion is that CMUX may appeal to newer developers forced into the terminal by AI agents, but doesn't justify the hype for seasoned terminal users.

   37

   2
2. 2
   Article

   Nick Janetakis·4w

   Combine Tmux, btop and a GPU Monitoring Tool for System Monitoring — Nick Janetakis

   A short guide on creating a shell script that combines tmux, btop, and GPU monitoring tools (nvtop, amdgpu_top, nvidia-smi, or intel_gpu_top) into a unified system monitoring setup. The script detects available GPU tools, then programmatically creates or attaches to a tmux session with btop in one pane and the GPU tool in a split pane below. It also handles the case where the script is run from within an existing tmux session by opening a new window instead.

   23
3. 3
   Article

   All Things Open·4w

   5 practical tips for learning Linux tools

   Five practical strategies for learning Linux tools without feeling overwhelmed. Key advice includes learning in small chunks (start with just the core commands of Vim or Git), integrating tools into real workflows, using passion projects like Home Assistant as motivation, choosing specialties based on personal interest rather than job pressure, and mastering the history command as a built-in learning aid.

   20
4. 4
   Video

   Theo - t3․gg·6w

   Bash is bad for agents

   Bash is a useful but insufficient execution layer for AI coding agents. The core argument is that flooding LLM context windows with code (e.g., via tools like Repomix) degrades output quality and increases cost, while letting models use bash to fetch only relevant context is far better. However, bash lacks standards for destructive vs. safe operations, permission management, portability, and multi-user isolation. TypeScript/JavaScript is proposed as a superior alternative execution environment because it supports typed inputs/outputs, runs in isolated V8/Node environments without full VMs, enables deterministic filtering, and reduces token usage. Projects like Cloudflare's Code Mode, Vercel's JsBash, and open-source executor experiments are highlighted as early steps toward a proper agent execution layer.

   17

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