Pipe output to two commands with tee
A pipe has one reader, so feeding two commands needs tee. Copy a stream to a file, append with tee -a, fan out with process substitution, and read PIPESTATUS.
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What is Claude Code?
Claude Code is Anthropic's terminal coding agent. What it does, where it runs, what a plan costs, and why it is not a chat window or an IDE.
Claude Code output styles explained
An output style edits Claude Code's system prompt, so it shapes every reply. What the built-in styles do to your transcript, and how to write your own.
The watch command in Linux, properly
The watch command re-runs anything every two seconds. Pick a sane interval, highlight the diff, exit on change, and quote pipes so watch runs them.
Claude on Linux: Desktop App and CLI
What runs natively on Linux today: the beta desktop app from apt, the Claude Code CLI, editor plugins, and which paid plan covers each one.
Bash history expansion: !! and !$
!! repeats the last command and !$ gives you its last argument. Learn the six bash history expansions worth knowing, plus :p to print one before it runs.
Omnigent: one harness for many agent CLIs
Omnigent drives the agent CLIs you already have installed. What a meta-harness is, how to pin release 0.7.0, and how to sandbox each sub-agent on a VPS.