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# FAQ: Documentation & Wiki
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<img src="../../wiki_images/logos/mkdocs-material-logo.svg" width="150">
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2024-02-24 09:42:24 +00:00
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2024-02-18 15:40:21 +00:00
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## What is sudo?
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The command stands for "superuser do" and in the windows world it is called "run as administrator".
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Su in "sudo" refers to the "superuser" or in the windows called the "administrator".
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2024-02-24 09:42:24 +00:00
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2024-02-18 15:40:21 +00:00
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## Whats the meaning of the ~ character mean in documentation and examples?
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The tilde character ~ is the a short way of saying the logged in users home directory in the UNIX world.
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So for example the Steam Deck:
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`~ = /home/deck`
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Read more on [Wikipedia](https://en.wikipedia.org/wiki/Home_directory)
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2024-02-24 09:42:24 +00:00
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2024-02-18 15:40:21 +00:00
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## Whats the meaning of the SA acronym in documentation and examples?
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SA means Standalone and the emulator is not a core inside RetroArch/LibRetro but a separate program launched within RetroDECK.
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2024-02-18 15:40:21 +00:00
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## Whats the meaning of the CLI acronym in documentation and examples?
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CLI stands for command-line interface and is often refereed commands you can run in the the Linux Terminal
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2024-02-24 09:42:24 +00:00
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