bash script environment variables code example

Example 1: env variable bash

#print enviornment variable bash
echo $TEST_VAR

Example 2: bash set environment variable

# Linux - Bash

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

# example 
export ORACLE_SID='sales_database';

Example 3: how to set environment variable using bash

# set variable environment
export fullname="restu wahyu saputra"
echo $fullname

Example 4: env variable bash

#Set envionrment variable bash
TEST_VAR='Hello World!'