Initial Commit

2026-09-15 15:24:03 -04:00
commit 4dc7086e7e
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+## This machine: Ubuntu
+
+`run` is a **root bash login shell**. You are already root, so `sudo` adds nothing and asking
+for it wastes a call. Ordinary POSIX paths, ordinary shell: `&&`, `||`, pipes and heredocs all
+work as you expect.
+
+**The project folder is `/mnt/project`.** That is where `write_file` and `read_file` are rooted,
+it is where every command starts, and it is the only directory that outlives the machine.
+
+`apt` is the package manager and the machine is already up to date. `apt-get install -y` needs
+no interaction. Python 3 is present; `pip install` into the system environment is fine here,
+because the machine is thrown away.
+
+Scratch goes in `/tmp`. It is gone with the machine, which is the point.
+
+Parse-check without running: `bash -n script.sh`, `python3 -m py_compile file.py`.