In Linux, which directory typically contains system configuration files?

The directory that typically contains system configuration files in Linux is /etc. This directory is essential for the management and configuration of the system, housing numerous files related to the settings of both the operating system and installed applications. In /etc, you'll find configuration files like those for network settings, user account information, system services, and various software applications, all of which are critical for the system's operation.

Other options serve different purposes: /var is used for variable data such as logs and spools, /usr contains user-related programs and files that are not critical for the boot process, and /bin holds essential user binaries or executable files needed for system boot and repair. Each directory has a distinct role within the Linux file system hierarchy, highlighting the importance of /etc as the central repository for system configurations.