ATM: asynchronous transfer mode
CMS: conversational monitor system (the VM shell)
CTCA: channel-to-channel adapter
DASD: direct-access storage device
DNS: domain name service
ELKS: embeddable Linux kernel subset
IDC: International Data Corporation
IDE: integrated development environment
IUCV: inter-user communications vehicle
LAN: local area network
LPAR: logical partition
MOSIX: scalable cluster computing for Linux
MTBF: mean time between failures
OCO: object code only
OSA: open systems adapter
PDA: personal digital assistant
RAID: redundant array of inexpensive/independent disks
RDBMS: relational database management system
RT-Linux: real-time Linux
SLS: softlanding Linux system
VM: virtual machine
YAST2: yet another setup tool (SuSE)