You'll probably want to arrange to run the executable each time your machine boots or you log on. Some examples follow.
Users have contributed scripts for automatic startup of BOINC on various versions of Unix:
Note: the Mac Standard GUI installation arranges for BOINC to run on user login.
To automatically run BOINC as a daemon or system service at boot time, or to prevent BOINC from launching automatically when selected users log in, see the Mac administrator tools.
If you install the command-line client and want it to start automatically when each user logs in, see the Instructions from Berki Yenigun, deadsmile at minitel.net "; page_tail(); ?>