Linux Permissions Explained: Files, Directories, and 755
Stop memorizing 755. Read owner, group, and other permissions as answers to concrete file and directory operations.
13 min read
Topic
Filesystems
2 articles
Paths, permissions, mounts, and filesystem semantics.
Why df and du Show Different Disk Usage
Reconcile filesystem allocation with files a directory walk can reach, then diagnose gaps without reaching for a cleanup command.
14 min read