shuf: add Dutch translation and align pages (#13044)

* shuf: add Dutch translation and align pages

* Update shuf.md

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

* Update shuf.md

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

---------

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

pages/common/shuf.md

@@ -9,12 +9,12 @@
 
 - Only output the first 5 entries of the result:
 
-`shuf --head-count={{5}} {{path/to/file}}`
+`shuf --head-count=5 {{path/to/file}}`
 
 - Write the output to another file:
 
-`shuf {{path/to/input}} --output={{path/to/output}}`
+`shuf {{path/to/input_file}} --output={{path/to/output_file}}`
 
 - Generate 3 random numbers in the range 1-10 (inclusive):
 
-`shuf --head-count={{3}} --input-range={{1-10}} --repeat`
+`shuf --head-count=3 --input-range=1-10 --repeat`