* as suggested in #10428
* standard input => `stdin`
* standard output => `stdout`
* standard error => `stderr`
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
This commit changes the term "folder" to "directory" in every
instance where the first is used in an example description, but the
second is used in the example code, and vice versa.