Intro
-----
	The check_prerequisites script will check that all mandatory/optional prerequisites for
	installing Sybase/CM are met.

Syntax
------
check_prerequisites.sh [ --sybhome=SYBHOME ] [ --cmhome=CMHOME ] [ --datadir=DATADIR ]
Options:
	--sybhome       intended home directory for sybase installation
	--datadir       intended data directory for sybase data files (for Datadir installation method)
	--cmhome        intended home directory for SCM-CM installation

Example
-------
	check_prerequisites script ran on a Solaris 8 system intended for bundled
	mode installation:

	# ./check_prerequisites.sh --sybhome=/export/home --cmhome=/export/home
	Check: OS Version: Solaris 9/10
			 [Success] Solaris version is 5.9

	Check: CPU frequency
			 [Success] CPU speed is 750MHz

	Check: Total Memory
			 [Failed] Found 512 MB memory, need at least 1000 MB

	Check: Shared Memory/Segments. Need 512000000/32
			 [Success] Found 536870912 bytes of shared memory
			 [Failed] found 6 max attached shm segments per process, need at least 32
			 [Failed] (add/change the variable shmsys:shminfo_shmseg in /etc/system and reboot)

	Check: REQUIRED Additonal Packages
			 [Success]: Package SUNWbash is installed
			 [Success]: Package SUNWgzip is installed
			 [Success]: Package SUNWlibC is installed

	Check: OPTIONAL Additonal Packages
			 [Success]: Package SUNWipc is installed
			 [Success]: Package SUNWadmap is installed

	Check: 8096000K free on intended CM home dir: /export/home
			 [Failed] Not enough free space in /export/home: 4599803K

	Check: 3072000K free on intended Sybase home dir: /export/home
			 [Success] 4599803K available in /export/home

	Check: Locale set en_US
			 [Warning] Current Locale set to
	Check: Timezone
			 [Success] TimeZone syntax is valid: PRC

	Check: Names for all NIC's
			 [Success] IP Address 127.0.0.1 is resolvable through /etc/hosts
			 [Success] IP Address 10.56.216.81 is resolvable through /etc/hosts

Overview
--------
	The script will check overall readines of the system for a Sybase/CM
	installation. The main pre-requisites checked are:
		- CPU speed
		- Amount of RAM
		- Operation System version (Solaris 8/0, RedHat Enterprise Linux 3/4)
		- Additional Required/Optional Packages
		- Free space for CM/SYB homes
		- Names for all NIC's
		- Sybase kernel parameters
		- Locale and TZ formats
