Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
Unix Attribute |
Sharing of resources
Communication
Utilities
Programmer support |
|
|
Advantages of UNIX |
Multitasking
Multi-user
Safe |
|
|
Philosophies of Unix |
Pipe mechanism
Super user |
|
|
Process Attributes |
When a process executes, it has
Real / Effective user ID
Real / Effective Group ID - Real = Name Badge - Effective = Keys given
Owner / Group / Other privileges |
|
|
Binary Numbers |
0 = 000 1 = 001 2 = 010 3 = 011 4 = 100 5 = 101 6 = 110 7 = 111 |
|
|
Kernel |
hub of the operating system
allocates time and memory to programs
handles the file store and communications in respond to system calls |
|
|
The Shell |
Acts as an interface b/w the user and the kernel
command line interpreter (CLI) |
|
|
File v. Process |
A file is a collection of data
A process is an executing program identified a unique process identifier (PID) |
