I recently got a used Mac with Mountain Lion on it. I don't know of the admin password or anything, but I do know how to run a command line.
So here's what I am stuck on:
When I click install, it asks me for my username and password (which I don't know).
I want to install this via single-user mode (Cmd+S on Startup), which I accepted the license using it.
Do you guys know how I could achieve this?
They allow programmers to compile programs and debug them, convert files, and perform a number of tasks for handling the resources required for making applications and other tools. Running the Terminal-based developer tool “make” on a system without the command line tools installed will prompt you to install them.
Apple's Xcode Command Line Tools provide a C language compiler. You'll need it to install Ruby. Also, for many Ruby projects, you will need the C language compiler to automatically install gems that use native extensions (some gems speed up Ruby by using code written in C).
At least on Xcode 9.2, you could use:
sudo xcodebuild -runFirstLaunch
to accept the agreement and install additional components.
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