Update cheatsheets

tldr/linux/mac2unix

@@ -7,12 +7,21 @@ source: https://github.com/tldr-pages/tldr.git
 
 > Change macOS-style line endings to Unix-style.
 > Replaces CR with LF.
+> See also `unix2dos`, `unix2mac`, and `dos2unix`.
 > More information: <https://waterlan.home.xs4all.nl/dos2unix.html>.
 
 - Change the line endings of a file:
 
-`mac2unix {{filename}}`
+`mac2unix {{path/to/file}}`
 
 - Create a copy with Unix-style line endings:
 
-`mac2unix -n {{filename}} {{new_filename}}`
+`mac2unix -n {{path/to/file}} {{path/to/new_file}}`
+
+- Display file information:
+
+`mac2unix -i {{path/to/file}}`
+
+- Keep/add/remove Byte Order Mark:
+
+`mac2unix --{{keep-bom|add-bom|remove-bom}} {{path/to/file}}`