create environment variable bash code example

Example 1: shell set environment variable

export VARNAME="my value"      # shorter, less portable version

Example 2: env variable bash

#print enviornment variable bash
echo $TEST_VAR

Example 3: bash set environment variable

# Linux - Bash

# syntax 
# export *<variable-name>=*<variable-value>;

# example 
export ORACLE_SID='sales_database';