Trouble Running Oracle on Linux --- newbie

I've installed Oracle on my linux system with a few errors at the end, which the installer assured me that those errors will not affect my installation (some sort of services errors).
So what do I do now?
I'm well versed with SQL and have been working with database systems for years... but getting oracle running has be a pain in my neck.
Here are a few issues... numbered for your reply convenience:
1)What file do you run to start the daemon? One would think that since this version is made to run on linux, the standard <name>d daemon naming would be expected (oracled, much like mysqld).. but I find nothing. I'm looked through the quick install and the install guides, and I must be missing something. They explain how to use everything to use oracle... but they don't say how to start the darn thing.
2)What is the ORACLE_HOME directory? The install would not allow me to run as root, so I had to run as one of the users. It then asked for an inventory directory which it said would house all my oracle products.. (/usr/local/oraInventory).. yet.. it tried to use /home/johnt/Oracle_Home1 for something.. I would assume oracle. Why would it try to install a product in my home directory rather than the inventory directory I just gave it??? What are these directories for? Your install language needs a little help. Is Oracle_Home1 supposed to be my first oracle product? Meaning if I purchase another then it will be install in Oracle_Home2? Not intuitive naming. Is this simply the single user's environment? Meaning that this is duplicated in every users directory? That would take up a hell of a lot of space.
3)Half of the programs I try to run say that ORACLE_HOME isn't found. Yet I have followed the install guides as to how to set the variable yet it still doesn't find it. I assumed that my Oracle_Home1 directory was the ORACLE_HOME directory... but since that didn't work, I tried setting it to the oraInventory directory (the one which the installation said the oracle products would be installed.. or housed.. which would make it a home, right?) and it still did not work. What am I doing wrong?

Connected to an idle instance.This message means that your DB is not running, or ORACLE_SID environment variable is not set properly. Be sure that ORACLE_SID has correct value, then, if you get that message, type "startup".

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<a
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Fred (guest) wrote:
: Reuben King (guest) wrote:
: : If you are having difficulties making sense of the lame docs
: that
: : Oracle has provided for installing Oracle 8 onto Linux,
please
: : visit this website:
: : <a
href="http://amoeba.sagemediagroup.com/oracle_linux_howto/">http:
: : //amoeba.sagemediagroup.com/oracle_linux_howto/</a>
: : After much hacking and frustration, I managed to get my
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Message was edited by:
user601903

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Hello there
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Hi John,
I'm also quite new to linux/"free OS". The first thing you will
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material compatibility section) where the could have some good
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Paul
John (guest) wrote:
: Hello there
: As a novice, I'm keen to get cracking on installing Oracle on
: Linux.
: As yet I have not purchased a copy of Linux. I intend running
my
: setup on an IBM 560E Thinkpad with 80 Meg of RAM.
: I'm interested to hear opinions on which versions of Linux
: would result in the least hassle and / or most functionality
etc.
: Thanks in advance
: John
null

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