System Services/Programs

What most people think the OS is, they might be correct it doesn't say

File manipulation

Create, delete, copy, rename, print, dump, list, and generally manipulate files and directories.

May also provide a text editor.

Status information (sometimes stored in a file)

Baso outputs the status of the system, it may get logged in a file:

• Num of users

• What resources are being used

• Whats the date

• Literally anything else you can think of

Programming language support

Compilers, Assemblers, Debuggers and Interpreters

Program loading and execution

Absolute loaders, relocatable loaders, linkage editors,

and overlay-loaders, debugging systems for higher-level and machine language

Communications

Provides the interface between the User, Processes, and other computer systems

Background services

Provide things like:

• Launch at boot time

• disk check, process schedule, error logging

• Known as services, subsystems, daemons

Application programs

• run by the user

• not a part of the OS