http://ocw.cs.pub.ro/courses/ 2026-05-18T08:22:31+03:00 http://ocw.cs.pub.ro/courses/ http://ocw.cs.pub.ro/courses/lib/tpl/arctic/images/favicon.ico text/html 2023-07-19T11:08:58+03:00 http://ocw.cs.pub.ro/courses/ass/cursuri/02/theory/01?rev=1689754138&do=diff Initial ramdisk & rootfs When Linux tries to boot into User Space, it does so by starting the init (PID=1) process from several well-known locations (e..g: /usr/sbin/init, etc.) For this to happen, the kernel first needs to load a root filesystem. The location of this rootfs is specified as part of the kernel's command line arguments: text/html 2023-07-19T12:11:42+03:00 http://ocw.cs.pub.ro/courses/ass/cursuri/02/theory/02?rev=1689757902&do=diff Flattened Device Trees A Device Tree (DT) is a data structure that (normally) contains a hierarchical representation of the available hardware, but also runtime configuration information. The DT is always written in the Device Tree Source (DTS) format and looks something like this: