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How to set evironment variable in Ubuntu

Note: You need an environment variable, right?

Settting environment variable option 1

export TACT_ENV='local_kact_env'

verify:
printenv TACT_ENV

verify:
echo $TACT_ENV

Settting environment variable option 2

echo "export RJ_ENV='this_is_my_env_variable'" > rj.env

source ./rj.env

python
	> import os;os.environ.get('RJ_ENV')

Unset environment variable

export TACT_ENV=

unset TACT_ENV

export -n TACT_ENV

Ref :

• Askubuntu - How do I set environment variable
• Environment Variables