What is Linux for S/390?

Runs native, in an LPAR, on IBM S/390 Virtual Image Facility for Linux or on VM/ESA
• Pure Linux, an ASCII environment
• Exploits IBM S/390 hardware, including IEEE floating point

Not a unique version of Linux or other operating system

Not a replacement for other IBM S/390 operating systems

S/390 instruction set and I/O Hardware

LINUX applications

LINUX kernel

common, architecture agnostic code

S/390 dependent layer

file systems

network protocols

process management

arch

common, generic drivers

HW dependent driver

memory management

arch

GNU runtime library

GNU binutils

GNU compiler

IBM contributed

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