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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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I'm confused trying to get SCALE to work (lemmy.world)

submitted 2 months ago by [email protected] to c/[email protected]

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Hi, I'm trying to get SCALE to work but I'm so confused by what they mean by PATH and I'm stuck.

https://github.com/spectral-compute/scale-docs/blob/master/docs/manual/how-to-use.md

I'm at the CMAKE step.

This is the official guide I'm following. I do understand what they mean by SCALE_PATH though as that is clearly explained but PATH is just very vague to me or I'm just misunderstanding it completely.

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[–] [email protected] 2 points 2 months ago

So I don't know how much you know about the shell, but the way that the linux command line works is that there are a set of variables, called environment variables, which dictate so me behavior of the shell. For example, $PATH variable, refers to what directories to search through, when you try to execute a program in your shell.

The documentation you linked, wants you to create a custom shell variable, called SCALE_PATH, consisting of a folder path, which contains the compiled binaries/programs of scale you want to run.

This command: export PATH="${SCALE_PATH}/bin:$PATH"

temporarily edits your PATH variable to add that folder with the scale programs you want to run to your path, enabling you to execute them from your shell.