ddrescue: add simplified example (#23154)

Co-authored-by: Ivan Baluta <ivanbaluta.dev@gmail.com>

pages/linux/ddrescue.md

@@ -3,9 +3,13 @@
 > Data recovery tool that reads data from damaged block devices.
 > More information: <https://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html#Invoking-ddrescue>.
 
+- Take an image of a device:
+
+`sudo ddrescue {{/dev/sdX}} {{path/to/image.img}}`
+
 - Take an image of a device, creating a log file:
 
-`sudo ddrescue {{/dev/sdb}} {{path/to/image.dd}} {{path/to/log.txt}}`
+`sudo ddrescue {{/dev/sdX}} {{path/to/image.img}} {{path/to/log.txt}}`
 
 - Clone Disk A to Disk B, creating a log file: