Paths, mounts & storage
Linux file system
Explore directory layout, permissions, inodes, and filesystem behavior.
6 references
Project manuals & maintained references
Linux file systemStandardStart here
The standard for directory placement and the roles of /etc, /var, /usr, /opt, and /run.
Linux Foundation · refspecs.linuxfoundation.org
FHS 3.0 (2015); distributions may use merged /usr
Layout & concepts
Linux file systemManual
Follow path traversal, symbolic links, permissions, and mount boundaries.
Linux man-pages / util-linux · man7.org
Current upstream manual; compare installed version
Layout & concepts
Linux file systemManual
Understand file metadata, link counts, timestamps, ownership, and access mode bits.
Linux man-pages / util-linux · man7.org
Current upstream manual; compare installed version
Layout & concepts
Linux file systemManual
Reference mount options, bind mounts, propagation, and filesystem-specific behavior.
Linux man-pages / util-linux · man7.org
Current upstream manual; compare installed version
Mounts
Linux file systemManual
Find a mount by path, device, label, or UUID and choose explicit output columns.
Linux man-pages / util-linux · man7.org
Current upstream manual; compare installed version
Mounts
Linux file systemReference
Explore VFS, filesystem implementations, and the interfaces behind userspace storage tools.
Linux Kernel · docs.kernel.org
Current upstream kernel documentation
Kernel internals