/usr, /etc, /dev in Unix Systems

Where are user binaries stored in Unix systems?

Which directory in Unix systems contains system-wide configuration files?

Where can administrators find device files representing hardware devices in Unix systems?

Which directory is the home directory for the root user in Unix systems?

Where do users store their personal files and settings in Unix systems?

Which directory in Unix systems is used for temporarily mounting filesystems or devices?

Where are the essential binary executables stored on a system?

Which directory contains shared libraries needed for binaries in /bin and /sbin?

Where is data for services provided by the system typically stored?

Which directory contains binaries essential for system administration?

In which directory are optional software packages usually installed?