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