1. AIX 5l workload manager (wlm),
http://www.redbooks.ibm.com/redbooks/pdfs/sg245977.pdf
2. Darpa high productivity computing systems project,
http://www.darpa.mil/ipto/programs/hpcs/hpcs.asp
3. IBM tivoli workload scheduler loadleveler,
http://publib.boulder.ibm.com/-infocenter/clresctr/vxrx/index.jsp
4. Linux distributions,
http://www.linux.org/dist/
5. Lecture Notes in Computer Science;Y. Aridor,2005