Secure Passwords on DOS

# Creates an empty file
echo. 2> secret.txt

# Restricts access to the file to only the owner
icacls secret.txt /remove "BUILTIN\Administrators" "NT AUTHORITY/SYSTEM" /inheritance:r

# Redirects the keyboard to text file, suppressing prompt to overwrite
copy con secret.txt /y

# Everything the user types from this point up to the CTRL-Z (^Z) is saved in the file
THIS IS MY TOP SECRET PASSWORD^Z

 # The Secrets Manager command takes the --plain-text parameter from the contents of the file
aws secretsmanager put-secret --secret-id TestSecret --plain-text file://secret.txt

# The file is destroyed so it can no longer be accessed.
sdelete secret.txt