Update cheatsheets

tldr/linux/as

@@ -11,16 +11,16 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Assemble a file, writing the output to `a.out`:
 
-`as {{file.s}}`
+`as {{path/to/file.s}}`
 
 - Assemble the output to a given file:
 
-`as {{file.s}} -o {{out.o}}`
+`as {{path/to/file.s}} -o {{path/to/output_file.o}}`
 
 - Generate output faster by skipping whitespace and comment preprocessing. (Should only be used for trusted compilers):
 
-`as -f {{file.s}}`
+`as -f {{path/to/file.s}}`
 
 - Include a given path to the list of directories to search for files specified in `.include` directives:
 
-`as -I {{path/to/directory}} {{file.s}}`
+`as -I {{path/to/directory}} {{path/to/file.s}}`

tldr/linux/poweroff

@@ -22,7 +22,7 @@ source: https://github.com/tldr-pages/tldr.git
 
 - Shut down immediately without contacting the system manager:
 
-`poweroff --force --force`
+`poweroff --force`
 
 - Write the wtmp shutdown entry without shutting down the system: