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Operating Systems (File System (Disk File Systems (Windows (FAT, FAT16,…
Operating Systems
File System
Disk File Systems
Windows
FAT
FAT16
FAT32
NTFS
Linux
ext1
ext2
ext3
ext4
OSX
HFS
HFS+
UNIX
UFS
Distributed File Systems
Special Purpose File Systems
Access Rights
Architecture
File Allocation
Contiguous
Chained
Inodes
Scheduling
Long-term Scheduling
Medium-term Scheduling
Short-term Scheduling
I/O Scheduling
Scheduling Algorithms
Non-preemptive
Shortest Process Next (SPN)
Highest Response Ratio Next (HRRN)
First-Come-First-Served (FCFS)
Pre-emptive
Shortest Remaining Time (SRT)
Round-Robin
Feedback
Interrupts
Interrupt Service Routines (ISR)
Polling
Interrupt Vector Table
Sequential Interrupt Processing
Nested Interrupt Processing
I/O
Buffering
Scheduling
First-In First-Out (FIFO)
Shortest Service Time First (SSTF)
SCAN
C-SCAN (Circular SCAN)
RAID
Disk Cache
Memory
Memory Hierarchy
Registers
Cache
Main Memory
Secondary Memory
Off-line Storage
Partitioning
Fixed
Internal Fragmentation
Dynamic
External Fragmentation
Paging
Translation Lookaside Buffer (TLB)
TLB hit
TLB miss
Page Size
Page Replacement
Thrashing
System Calls
Ring Model of Access
User Mode
Kernel Mode
Portable Operating System Interface (POSIX)
Processes
Inter-Process Communication (IPC)
Context-switching
Security
Attack Vectors
Backdoor/Trapdoor
Logic Bomb
Buffer Overflow
Trojan Horse
Virus
Worm
Bot
Rootkit
Directory Traversal
Objectives
Confidentiality
Integrity
Availability
Authenticity
Accountability
Booting
Bootloader
Services
UNIX Daemons
crond (cron jobs)
syslogd (local/remote message logging)
lpd (printer spooling)
dhcpd (Dynamic Host Configuration Protocol)