The event viewer (microsoft windows) or console (apple mac os x) is used for what purpose?

The operating system and any running program can log administrative events to the event log that may be used for fault isolation, debugging, but also journaling purposes.

With the event viewer you can browse these events. In Windows, you can easily start it by typing Windows+R (Run), and then typing eventvwr.

E-mail is an appropriate channel for goodwill messages when frequently communicate with the receiver by e-mail and are certain the message won’t get lost

Explanation:

Email is a fast and easy mode of communication in current time.

We can send a goodwill message to someone using email if we communicate frequently with that person.

This makes it easy to do a follow up also in case required.

Goodwill message should be written in simple sentences but should be sincere enough to convey the message to receiver. It short be short and caring.

Goodwill message contains a thanks expressing message from sender's side.

It might be sent for showing some sympathy, for example in case of any illness.

It can also be sent to recognize receiver for some good work that he has done.