Intoduce to linux lesson
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Introduction to Unix
Research Computing Workshops
Fall 2008
Office of Information Technology
&
Mississippi Center for
Supercomputing Research
Jason Hale & Susan Lukose
Unix is an Operating System
An O/S manages access to the resources of a computer.
O/S host applications, shielding
them from the hardware.
Other popular operating systems:
Windows XP, Windows Vista,
MAC OS X
Unix looks more like DOS
than Windows
Common Flavors of Unix
IBM’s AIX
Hewlett Packard’s HP-UX.
Sun’s Solaris
SGI’s IRIX
Apple’s MAC OS X
Unix Variants: Linux, BSD, …
Why Learn Unix/Linux?
Unix/Linux commonly used on computer “servers”:
Web servers
Database servers
Supercomputers/Clusters
Over 50% of servers in corporations run Unix or Linux
A little Unix experience goes a long way, on the job,
and looking for a job
At UM/MCSR:
SAS is installed on UM’s Research Server: willow
- more disk space than on your PC’s
- run one calculation for several days
Matlab is installed on willow.
Mathematica on mimosa cluster
for calculations too big for your PC or MAC
Student programming assignments may be completed on
MCSR/UM systems
Distributions of Linux
•
Red Hat Enterprise Linux
•
Fedora
•
SUSE Linux Enterprise
•
openSUSE
•
Debian GNU/Linux
•
Ubuntu
•
Mandriva Linux
•
Slackware Linux
•
Gentoo
Components of Unix
Shells
Kernel
Shells
System
Utilities
End-User
Utilities
Development
tools
Docs
Commands
MCSR Unix Workshops Will Cover:
Shells
Kernel
Shells
System
Utilities
End-User
Utilities
Development
tools
Docs
Commands
