Mac related

Cancel “Sending email” in Outlook:mac 2011
In the menu, click Window \ Progress
An extra progress list window opens
Remove/cancel the designated progress
The missing Outbox is now shown on the mailbox bar
Open the Outbox and select your mails as desired
Delete the selected emails

How to install an application on your Mac

If you received an application in a zip format:
To un-package a zip file, simply double-click it and wait for OS X to open it.
Application bundles are generally used for smaller pieces of software, such as simple applications downloaded from the Internet. Here, the software publisher has provided you with the actual program — all you have to do is copy the program to your desired location (usually your Applications folder) and run it. Copying the program is performed simply by using drag and drop.
source: Installing Applications in Mac OS X

Running an executable in Mac Terminal
Unix will only run commands if they are available on the system path, as you can view by the $PATH variable:
echo $PATH

Executables located in directories that are not on the path cannot be run unless you specify their full location. So in your case, assuming the executable is in the current directory you are working with, then you can execute it as such:
./my-exec
Where my-exec is the name of your program.

Connect to windows share
Type in Safari:
smb://ServerName/ShareName

Error "This process is attempting to exclude an item from Time Machine by path without administrator privileges. This is not supported":
try run command in question with "sudo"