Unix/mac questions about password changes or storage, the related `.passwd` file or `passwd` command
The sudo command is an abbreviation for "substitute user do" (as in, do a command as if started by another user)
"Sudo is better in most respects but still requires a passwd which asroot does not"
from question "Executing shell commands as given UID in Python"
"Automating sudo is slighly more complex if you need to pass the passwd but still can be done"
from question "How to run multiple perl open commands asynchronously and display output in order"