Hello!anyone
What is different between zO/S and AIX,AIX like a freebsd no gui?

AIX is a proprietary UNIX variant of IBM like HP-UX is proprietary to HP and Solaris is proprietary to Sun/Oracle.

It is "like freebsd" only in that they were both originally derived from UNIX which had a lot added to it over time by the University of California Berkley (the BSD = Berkely System Distribution). AIX is very different than other UNIX distros I've worked on. (Much like FreeBSD and Linux are different.) Administrative tools are very different on the various UNIX flavors as they are on FreeBSD and Linux and can be different even between Linux distributions.

However all UNIX/Linux variants have some very basic command names in common even if what those commands do exactly varies. For example ls lists files on all of them. ls -l gives a long listing but what is included in that listing might vary (at least in column placement). To see see differences in commands between various things have a look at Rosetta stone:
http://bhami.com/rosetta.html.

Z/OS is a completely different animal that does have some UNIX stuff but is really a Mainframe OS:
http://en.wikipedia.org/wiki/Z/OS

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Hey!man
I like aix commandline more than linux because they are more simply than linux I am also like freebsd they are very short and easier to understand than linux but in data center and voip they use on linux os.Totally in the future which one the last stand ?

Its all about preferences. Linux has been growing by leaps and bounds. Most of the UNIX shops I've worked in have replaced more and more proprietary UNIX systems with Linux systems over time. I've also seen various shops that were Windows only adding Linux servers. As for me I prefer shops where I can work on multiple platforms but usually the powers that be have a preference for one over another.

Oracle bought Sun so now owns Solaris and many of the moves they've been making with their core Oracle products seemed aimed at forcing folks to either use OEL (their RHEL derivative Linux) or Solaris. They've already announced drop of support for Itanium which would pretty much kill HP-UX as a platform. In IBM world people can use DB2 instead of Oracle and of course anywhere one can use Sybase or open source DBs like MySQL (which also is unfortunately owned by Oracle now) or Postgresql. Luckily MySQL being true open source (unlike OpenSolaris) can be and has been forked into other DBs projects.

If you like simplicity you should prefer MS Windows - it doesn't give you much in the way of choices - just point and click. If there's no option in the GUI then you just live with it. (Actually this is becoming less true because M$ has been giving more and more command line controls back to servers over time.)

As for me I prefer control. Having say, an "ls" command with 100 flags/options rather than 20 might seem a bit daunting but only if you feel the need to use all those other flags/options. However if you someday have a specific need it is nice to be able to go and find it in the man page rather than having to do pipes and extra processing to get what you want.

I think Linux has pretty much eaten *BSD's lunch. There are still a lot of folks using FreeBSD, OpenBSD, NetBSD but both commercially and as home systems most folks are using Linux instead.

Hey!Mensawater
AIX and z/OS which one is the best.I know AIX for x series and z/OS for z series (Mainframe).Now I am try to search z/OS ebook online,but I didn't found commandline ebook and system administration guide.But I found AIX ebook either commandline and system administration.Yes I would like to use aix and z os because I am more stronger study than linux.Even linux some commandline didn't work as well,so I am not patiently.So I am more interest in aix and z/OS now I want to know about which one is more market demand and robust.If linux have more market and robust yes I want to use linux.

Thanks mercy

I don't think it is a question of which is best. It is a question of which tool you're using and why.

Z/OS is a mainframe OS and AIX is a "midrange" OS. Often enough a shop will run both. I had a job once where they planned to run DB2 on the mainframe but use AIX on the midrange front end (application) servers. In my experience the folks that do the mainframe administration and the ones that do the midrange are different. I've on occasion had to work on mainframes but not in any great detail like I have on UNIX/Linux systems.

Your last question makes it sound like you're trying to decide what to study. Is it that you haven't worked anywhere with AIX, Z/OS or Linux and trying to figure out which will make you the most money?

z/OS is not a *nix operating system. It has a POSIX compliant component, but is IBM proprietary. And expensive. And only (legitimately) runs on zSeries hardware (or IBM emulator). Unless you work for someone who can license it it, it is not an option.

There is *NO* free (as in beer) prospect for you to learn it.

End of story.

Hello!Mensawater
Please help,how to get z os ebook how to find it.Now I have try to find that ebook (z os ).I just only found aix ebook online.If you know about z os ebook link please share your link.Please let I read first.

Thanks your advice

To be clear Z/OS isn't something I've used at all.

For nearly any subject in computing if you do a web search for "subject tutorial" you're apt to find documentation for it.

Doing that for z/os tutorial gave me several hits the first of which looked like it might be a good one:
http://www.redbooks.ibm.com/redbooks/pdfs/sg246366.pdf

Hi!Mensa water
Thank you very much for your explained.By the way how many year you have experience in z os platform?Please let me know it again.

Thanks

Please see my prior post.