Use following commands

1. Setup Oracle Home and run the environment file

ORACLE_HOME=/u01/apps/[hostname]/db/tech_st/11.1.0
cd /u01/apps/[hostname]/db/tech_st/11.1.0
. [SID]_[hostname].env

2. Setup Oracle SID for your environment and set the path
export ORACLE_SID=VIS
export PATH=$ORACLE_HOME/bin:$PATH

Where

• [SID] stands for System ID, and is from your Oracle EBS Installation
• [hostname] is the hostname from your Oracle EBS Installation

Assumptions

• Oracle E Business Suite have been installed
  

Environment used for demonstration

• Oracle E Business Suite Release 12i
• Oracle Enterprise Linux 5.7