Linux specific

• ALSA - Advanced Linux Sound Architecture
• AQuoSA - Adaptive Quality of Service Architecture
• CFS - Completely Fair Scheduler
• CFQ - Completely Fair Queuing
• LKM - Linux kernel module
• RSBAC - Rule Set Based Access Control

Uhm

• PSS - proportional set size
• USS - unique set size

General

• FIFO - First In, First Out
• PID - Process ID
• PIE - Position-independent code
• RCU - Read-copy-update
• RT - Real-time