Adding a Global Path in CentOS Linux

Step 1Open a terminal by clicking the “Applications” menu, pointing to “Accessories” and selecting “Terminal.”

Step 2Become the root user by typing “su” into the terminal and pressing “Enter.” Type your root password and press “Enter” when prompted.

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Step 3Type the following command into the terminal, replacing “/new/directory” with the path of the directory you want to add to your path, and press “Enter”:
echo 'pathmunge /new/directory' > /etc/profile.d/custompath.sh

Step 4Type the following command and press “Enter” to make your new file executable:
chmod +x /etc/profile.d/custompath.sh

Step 5Type the following command, including the period, and press “Enter” to reload your profile settings and add the directory to your path:
. /etc/profile