Every time you start ashell session in Linux, the system goes through theconfiguration filesand sets up the environment accordingly. Environment variables play a significant role in this process. In this tutorial, you will learn how to set, view, export, and remove environment variables in Linux...
You can use the export command to set an environment variable. To use it, enter the below command in the terminal: exportMY_VARIABLE=value This command would set an environment variable MY_VARIABLE with its value as “value.” You can use the command similarly by replacing “MY_VARIABLE” ...
To check where is the latest Java (JDK or JRE) you have installed in your system. Run below given command find/-name java How to set Java variable environment Follow the given below steps (Replace the version no. as per your new Java version installed in your system) Step1 :Open /root...
sudo rpm -ivh jdk-20_linux-aarch64_bin.rpm How To Set Java Variable Environment Follow the given below steps Step1 :Open /root/.bash_profile through your text editor. (we prefer to use vi editor). (Replace the version no. as per your new Java version installed in your system. Check...
Here’s a typical example of a Linux environment variable: VARIABLE_NAME=value If a variable has multiple values, they are separated by a semicolon: VARIABLE_NAME=value_1:value_2 If you need to include a space in the value of a variable, you should enclose it with quotation marks. Howev...
(Optional) If you wish to remove an environment variable set in the environment/batchrc files, you’ll have to open them and manually delete the string containing the variable name-value pair. Wrapping up the setup procedure for environment variables in Ubuntu ...
How toset and get an environment variable in C onLinux? You can use thesetenvandgetenvPOSIXAPIs to set and get environment variables. To add or change environment variable: #include<stdlib.h>intsetenv(constchar*envname,constchar*envval,intoverwrite); ...
Also, refer to15 Useful Bash Shell Built-in Commands, which explains about few other commands (e.g. env, unset, etc.) that also works on env variables. 3. Set an Environment Variable You can add a new environment variable as shown below. The following creates a new environment variable ...
Setting an environment variable is also quite easy. Use the name without the$operator and assign using the=operator. For example, to set “EXAMPLE_VAR” to “hello,” you would run the following: EXAMPLE_VAR=hello Now you can access this variable as above by using the$operator. ...
An excellent example of an environment variable that uses multiple values is “PATH“. Setting an Environment Variable on Linux Now that you understand the format of an environment variable on Linux, let us show you how to set them. There are a few different files on Linux systems that you...