关于数据库参数文件某些参数的定义

关于数据库参数文件某些参数的定义，做备忘用！

DISPLAY 
The name, server number, and screen number of the system where the Oracle Universal Installer display its Graphical User Interface (GUI). 


ORA_NLS33 
Location of character set data. No 


ORACLE_BASE
Directory at the top of the Oracle software and administrative file structure. 


ORACLE_HOME
Directory containing Oracle software for a particular release. 


ORACLE_SID
The Oracle server instance identifier to use during installation. 


PATH
Shell’s search path for executables.


ORACLE_TERM
specifies the terminal definition resource file to be used with the Installer. If ORACLE_TERM is not set, the Installer uses the value of the UNIX environment variable TERM and searches for an equivalent ORACLE_TERM resource


LD_LIBRARY_PATH
a colon-separated set of directories where libraries should be searched for first 


NLS_LANG
the client character set,you can refence this doc for details 


TNS_ADMIN
TNS_ADMIN in unix to point to the location listener.ora tnsnames.ora