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I can relate to acronyms and abbreviations much more readily when I actually know how they were derived. It is oftn pssble to wrk out wht an abrvtion means if you know the the root words behind it....
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 Ora...
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, whic...
/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 overwritten when the system s...
/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 the directory where the users' home directori...
Ubuntu is now has a /usr -merged filesystem layout. See Why are /bin and /sbin now symlinks in Ubuntu 20.04? for more on that. As part of this change, to work around some potential package management problems, these ....
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.
/usr/local/sbin, as you can probably guess at this point, is to /usr/local/bin as /usr/sbin to /usr/bin. In addition, there is also /opt which is for monolithic non-distribution packages, although before they were pro...
Here you will find things used by the users on the system. So if you install an application that needs libraries they might go to /usr/lib. If a binary in /usr/bin or /usr/sbin needs a library it will likely be in /us...
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。
