Is home a environment variable?
The HOME variable is an environment variable that displays the path of the home directory ~ . You can specify and change the HOME variable if needed, but in most cases this is not necessary. Here, by typing echo $HOME , the terminal displays the path /home/ccuser as output.
What should Oracle_home point to?
Set up the ORACLE_HOME environment variable to point to the directory where the Oracle database client software is installed. Set the variable on the admin application server and each non-admin application server.

How do I set an environment variable in my home?
In the Settings window, under Related Settings, click Advanced system settings. On the Advanced tab, click Environment Variables. Click New to create a new environment variable. Click Edit to modify an existing environment variable.
How do you fix an environment variable?
Windows
- In Search, search for and then select: System (Control Panel)
- Click the Advanced system settings link.
- Click Environment Variables.
- In the Edit System Variable (or New System Variable) window, specify the value of the PATH environment variable.
- Reopen Command prompt window, and run your java code.
Why do we set environment variables?

Environment variables are useful to store system-wide values, for examples, PATH : the most frequently-used environment variable, which stores a list of directories to search for executable programs.
What is ORACLE_HOME environment variable?
ORACLE_HOME is a directory name which will come at the time of Oracle software installation. The specified directory path of ORACLE_HOME directory is been stored in an environment variable. The path of the ORACLE_HOME directory is stored the installation path of oracle.
How do I permanently set Oracle environment variables in Linux?
To make permanent changes to the environment variables for all new accounts, go to your /etc/skel files, such as . bashrc , and change the ones that are already there or enter the new ones. When you create new users, these /etc/skel files will be copied to the new user’s home directory.
How do I change environment variables on a Mac?
From http://hathaway.cc/post/69201163472/how-to-edit-your-path-environment-variables-on-mac:
- Open Terminal.
- Run touch ~/.bash_profile; open ~/.bash_profile.
- In TextEdit, add export PATH=”$HOME/.rbenv/bin:$PATH”
- Save the . bash_profile file and Quit (Command + Q) Text Edit.
- Run source ~/.bash_profile.
How do I set Environment Variables on Mac?
- Open up Terminal.
- Run the following command: sudo nano /etc/paths (or sudo vim /etc/paths for vim)
- Go to the bottom of the file, and enter the path you wish to add.
- Hit control-x to quit.
- Enter ‘Y’ to save the modified buffer.
- Open a new terminal window then type: echo $PATH.
How do I check if an environment variable is set?
On Windows In the command window that opens, enter echo %VARIABLE%. Replace VARIABLE with the name of the environment variable you set earlier. For example, to check if MARI_CACHE is set, enter echo %MARI_CACHE%. If the variable is set, its value is displayed in the command window.
How do I set an environment variable in Catalina Mac?
Starting with macOS Catalina — by default it takes zsh and hence you need to change in zprofile. Please follow below steps
- Launch Terminal app.
- Create profile file: touch ~/.zprofile.
- Open file in editor: open ~/.zprofile.
- Add any exports definitions you need, one by line.