*: fix typos in command names (#11730)

* *: fix typos in command names

* command name fixes in other languages

* fix incorrectly translated commands

* change incorrect file name

* qm move disk alias pages

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/gemtopnm.md

@@ -1,16 +1,16 @@
-# gemtopbm
+# gemtopnm
 
 > Convert a GEM image file into a PNM image.
 > More information: <https://netpbm.sourceforge.net/doc/gemtopnm.html>.
 
 - Convert a GEM image file to a PNM image:
 
-`gemtopbm {{path/to/file.img}} > {{path/to/output.pbm}}`
+`gemtopnm {{path/to/file.img}} > {{path/to/output.pnm}}`
 
 - Describe the contents of the specified GEM image:
 
-`gemtopbm -d {{path/to/file.img}}`
+`gemtopnm -d {{path/to/file.img}}`
 
 - Display version:
 
-`gemtopbm -version`
+`gemtopnm -version`