overlay

In the vast world of Linux, understanding file systems is crucial, especially for system administrators, developers, and those interested in advanced Linux functionalities. One of the more sophisticated features available for managing files and directories is the "Overlay Filesystem." This filesystem type is particularly useful for scenarios involving immutable systems, containers, and environments where modifying the primary system layers isn’t desirable or possible. In this blog post, we’re going to delve into what an Overlay Filesystem is, its benefits, and how to use it effectively through the Linux Bash.