tc-ematch(8) extended matches for use with "basic", "cgroup" or "flow" filters

Exch(1) – atomically exchanges paths between two files (2023)

Linux Man Pages in the "Miscellaneous Information" Section

Old vs new (systemd) style Linux daemons

History of roff

Userfaultfd(2) – create a file descriptor for handling page faults in user space

Linux and Glibc API Changes

Linux 4.6 introduced unpriviledged user namespaces

Using seccomp to limit the kernel attack surface

Od(1)