PWGSC staff are prepared to commit 16 days of staff time to this initiative in 2003/2004. (4 days from Heritage Conservation Services; 6 days from Heritage Conservation. Professional & Technical Program; 2 days Geomatics, 2 days Asset & Facility. Management, 2 days from Project Techology/Project Leadership).
Lesson Summary. 1  The OS is the first software to get installed on a computer system. 2  It performs five critical tasks. 3  The OS is also used to start up your computer, and once the computer is up and running, the OS manages system resources. 4  The OS manages connections so you can surf the Web and use e-mail.
In computing, a shell is a user interface for access to an operating system's services. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is a layer around the operating system kernel..