From 9232b8d817d4cd4122947375156fa2fa1e9fba14 Mon Sep 17 00:00:00 2001 From: Jasper Ras Date: Mon, 13 Jan 2025 13:16:06 +0100 Subject: vault backup: 2025-01-13 13:16:06 --- 3 resources/linux/device-drivers.md | 19 ------------------- 1 file changed, 19 deletions(-) delete mode 100644 3 resources/linux/device-drivers.md (limited to '3 resources/linux/device-drivers.md') diff --git a/3 resources/linux/device-drivers.md b/3 resources/linux/device-drivers.md deleted file mode 100644 index e4fe9d2..0000000 --- a/3 resources/linux/device-drivers.md +++ /dev/null @@ -1,19 +0,0 @@ -major, minor numbers -major = driver (used by kernel when opening device to dispatch to correct driver) -minor = used by driver to differentiate device(s) - -after disk the major, minor numbers are shown: -``` -[jasras@n04.compute.vps2-lej1 ~]$ ls -l /dev/dm-* -brw-rw---- 1 root disk 253, 0 Oct 25 10:10 /dev/dm-0 -brw-rw---- 1 root disk 253, 1 Oct 25 10:11 /dev/dm-1 -brw-rw---- 1 root root 253, 11 Oct 28 19:58 /dev/dm-11 -brw-rw---- 1 root root 253, 12 Oct 28 19:58 /dev/dm-12 -``` - -available devices: `cat /proc/devices` - -character devices vs block devices; what is the difference? - ---- -[oreilly-device-drivers](https://www.oreilly.com/library/view/linux-device-drivers/0596000081/ch03s02.html) \ No newline at end of file -- cgit v1.2.3