As you suspected, /etc is from etcetera, unhelpfully named for "where everything else goes", and /usr was for "user applications". A lot of the detail on the history of the Filesystem Hierarchy …

Feb 23, 2019 · /usr nowadays stands for User System Resources. This directory contains most commands and executables files, libraries and documentation. In the early days of Unix, it was …

What is the rationale for the "unix system resources", or /usr directory, as described here, which duplicates many of the directory names under the root directory /? My purpose: I'm installing …

Nov 3, 2015 · 125 /usr/local/bin is for programs that a normal user may run. The /usr/local hierarchy is for use by the system administrator when installing software locally. It needs to be …

This is a part where the FHS is slightly self-contradictory, as /usr is defined to be read-only, but /usr/local needs to be read-write for local installation of software to succeed. The SVR4 file …

To help me understand the usages between /home, /root, /usr/local, /usr/bin and /opt, I still have a question because I'm a little confused understanding the differences between each of them.

Notice how /usr/local starts with backslash ? There's root directory from which you can access other directories; the image to keep in mind is the root directory is where root starts, and …

In the late 1970s, /usr/bin was integrated into the OS base distribution and people started to use /usr/local/bin for the purpose of the previous open /usr/bin.

Mar 12, 2010 · Major use case of env: pyenv and other version managers One major use case of why you should use #!/usr/bin/env python instead of just /usr/bin/python is that of version …

Nov 23, 2022 · Ubuntu basically use gcc-11-based toolchain, so that /usr/bin/gcc is a symlink to /usr/bin/gcc-11. The system-wide shared library is libstdc++.so.6 compiled by gcc 12.3.0, …