Unit OS1: Unit OS1: Overview of Operating Systems Overview of Operating Systems

To search for the file that was just restored, Click the Start Menu button, and select Search ->For File or

Process hierarchies usually are not very deep (more than three levels is unusual), whereas file hierarchies are commonly four, five, or even more levels deep. Process hierarchies

Windows 2000 Datacenter Server & Windows 2003 Server, Datacenter Edition Windows 2000 Datacenter Server & Windows 2003 Server, Datacenter Edition Process Control

Object name Object directory Security descriptor Quota charges Open handle count Open handles list Object type. Reference count

Implements Windows User & GDI functions; calls routines in GDI drivers Implements Windows User & GDI functions; calls routines in GDI drivers Also used by Posix and

Kernel objects must be manipulated via Windows API must be manipulated via Windows API Objects – files, processes, threads, IPC pipes, memory Objects – files, processes, threads,

pviewer - processes and threads and security details (GUI) pviewer - processes and threads and security details (GUI) ptree – display process tree and kill remote processes (GUI)

kill the testlimit process by closing the command- kill the testlimit process by closing the command- prompt window; thus closing all the open handles. prompt window; thus closing