losetup: add page (#1415)

pages/linux/losetup.md

@@ -0,0 +1,19 @@
+# losetup
+
+> Set up and control loop devices.
+
+- List loop devices with detailed info:
+
+`losetup -a`
+
+- Attach a file to a given loop device:
+
+`sudo losetup /dev/{{loop}} /{{path/to/file}}`
+
+- Detach all loop devices:
+
+`sudo losetup -D`
+
+- Detach a given loop device:
+
+`sudo losetup -d /dev/{{loop}}`