Check About This Mac From the Apple ( ) menu in the corner of your screen, choose About This Mac. The version of your operating system appears beneath âmacOSâ or âOS Xâ in the window that opens.
Source Code Definition. Source code (also referred to as source or code) is the version of software as it is originally written (i.e., typed into a computer) by a human in plain text (i.e., human readable alpha numeric characters).ource Code Definition. Source code (also referred to as source or code) is the version of software as it is originally written (i.e., typed into a computer) by a human in plain text (i.e., human readable alpha numeric characters).
Open source software is software whose source code is available for modification or enhancement by anyone. Source code is the part of software that most computer users don't ever see; it's the code computer programmers can manipulate to change how a piece of softwareâa program or applicationâworks.n order to use proprietary software, computer users must agree (usually by signing a license displayed the first time they run this software) that they will not do anything with the software that the software's authors have not expressly permitted. Open source software is different.