osx/*.md: make placeholders more compatible with CLIP ones (#9863)

* Make placeholders more compatible with CLIP ones:
- https://github.com/command-line-interface-pages/prototypes/pull/32

* Update pages/osx/xsltproc.md

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

* Update pages/osx/dd.md

Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

---------

Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Jack Lin <blueskyson1401@gmail.com>

pages/osx/dd.md

@@ -5,11 +5,11 @@
 
 - Make a bootable USB drive from an isohybrid file (such like `archlinux-xxx.iso`) and show the progress:
 
-`dd if={{path/to/file.iso}} of={{/dev/usb_drive}} status=progress`
+`dd if={{path/to/file.iso}} of={{/dev/usb_device}} status=progress`
 
 - Clone a drive to another drive with 4 MB block, ignore error and show the progress:
 
-`dd if={{/dev/source_drive}} of={{/dev/dest_drive}} bs={{4m}} conv={{noerror}} status=progress`
+`dd if={{/dev/source_device}} of={{/dev/dest_device}} bs={{4m}} conv={{noerror}} status=progress`
 
 - Generate a file of 100 random bytes by using kernel random driver:
 
@@ -17,7 +17,7 @@
 
 - Benchmark the write performance of a disk:
 
-`dd if=/dev/zero of={{path/to/file_1GB}} bs={{1024}} count={{1000000}}`
+`dd if=/dev/zero of={{path/to/1GB_file}} bs={{1024}} count={{1000000}}`
 
 - Generate a system backup into an IMG file and show the progress: