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 system standard, …

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 /?

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 Standard is …

Feb 23, 2019 · Translation of the quote: /usr ( from English "User System Resources" ) - catalogue/directory in UNIX-like systems, containing dynamically combined programs, user files and …

Nov 3, 2015 · 126 /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 safe from being …

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.

Local programs and scripts belong in /usr/local/bin/ and /usr/local/sbin/. This identifies them as clearly non-standard, and possibly only available on site. For further explanation try running the command …

Please refer to the Filesystem Hierarchy Standard (FHS) for Linux for this. /bin : For binaries usable before the /usr partition is mounted. This is used for trivial binaries used in the very early boot stage …

Mar 18, 2026 · I am using Ubuntu 25.10 Desktop (GNOME / Wayland) with all packages fully up-to-date. The GIMP version is 3.0.4. GNU Image Manipulation Program starts normally. However when I try to …

Jan 7, 2013 · usr是user的缩写，是曾经的HOME目录，然而现在已经被/home取代了，现在usr被称为是Unix System Resource，即Unix系统资源的缩写。 /usr 是系统核心所在，包含了所有的共享文件。