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Revise docs/FAQ.md

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Shaun Jackman 2020-11-26 10:28:02 -08:00
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@ -85,6 +85,10 @@ cd $(brew --repository)
hub pull someone_else hub pull someone_else
``` ```
## Why should I install Homebrew in the default location?
Homebrew's pre-built binary packages, called [bottles](Bottles.md), of many packages can only be used if you install in the default installation prefix, otherwise they have to be built from source. Building from source takes a long time, is prone to fail, and is not supported. Do yourself a favour and install to the default prefix so that you can use our pre-built binary packages. The default prefix is `/usr/local` for macOS on Intel, `opt/homebrew` for macOS on ARM, and `/home/linuxbrew/.linuxbrew` for Linux. *Pick another prefix at your peril!*
## Why does Homebrew prefer I install to `/usr/local`? ## Why does Homebrew prefer I install to `/usr/local`?
1. **It’s easier**<br>`/usr/local/bin` is already in your 1. **It’s easier**<br>`/usr/local/bin` is already in your
@ -102,13 +106,9 @@ hub pull someone_else
It is not always straightforward to tell `gem` to look in non-standard directories for headers and libraries. If you choose `/usr/local`, many things will "just work". It is not always straightforward to tell `gem` to look in non-standard directories for headers and libraries. If you choose `/usr/local`, many things will "just work".
## Why does Homebrew on Linux recommend that I install to `/home/linuxbrew/.linuxbrew`? ## Why is the default installation prefix `/home/linuxbrew/.linuxbrew` on Linux?
The prefix `/home/linuxbrew/.linuxbrew` was chosen so that users without admin access can ask an admin to create a `linuxbrew` role account and still benefit from precompiled binaries. If you do not yourself have admin privileges, consider asking your admin staff to create a `linuxbrew` role account for you with home directory `/home/linuxbrew`. The prefix `/home/linuxbrew/.linuxbrew` was chosen so that users without admin access can ask an admin to create a `linuxbrew` role account and still benefit from precompiled binaries. If you do not yourself have admin privileges, consider asking your admin staff to create a `linuxbrew` role account for you with home directory `/home/linuxbrew`.
+ https://docs.brew.sh/FAQ.html#why-do-you-compile-everything
+ https://docs.brew.sh/Installation.html#alternative-installs
+ https://docs.brew.sh/Bottles.html#cellar-cellar
## Why does Homebrew say sudo is bad? ## Why does Homebrew say sudo is bad?
**tl;dr** Sudo is dangerous, and you installed TextMate.app without sudo **tl;dr** Sudo is dangerous, and you installed TextMate.app without sudo