Set an Environment Variable in Linux set a shell variable How to Export an Environment Variable Set an Environment Variable in Linux Permanently set permanent environment variables for `a single user` set permanent environment variables for all users How to Unset an Environment Variable 修改已有的永久...
The environment variable created in this waydisappears after you exit the current shell session. Set an Environment Variable in Linux Permanently If you wish a variable to persist after you close the shell session, you need to set it as an environmental variable permanently. You c...
1.确保您的.bashrc存在
3. Set an Environment Variable You can add a new environment variable as shown below. The following creates a new environment variable called “MYAPP” and assigns the value of 1. $ export MYAPP=1 Verify that the environment variable is set properly using the echo command. $ echo $MYAPP 1...
export [VARIABLE_NAME]="value" For example: export TEMP_VAR="Temporary Value" The variable is visible withprintenvorechocommands during the session. Once you close the terminal, the variable no longer exists. Create Persistent Environment Variable ...
如果要在您的shell中设置变量（与超级用户的shell相反）：1.确保您的.bashrc存在
exportDOTNET_ROOT=/snap/dotnet-runtime-80/current Export the environment variable permanently The precedingexportcommand only sets the environment variable for the terminal session in which it was run. You can edit your shell profile to permanently add the commands. There are a number of different...
# export JAVA_HOME=/usr/bin/java Save your changes and exit. How to Unset an Environment Variable To unset an environment variable, we can use theunsetcommand: # unset [VARIABLE_NAME]. This command permanently removes variables exported through the terminal. Variables stored in configuration file...
export DOTNET_ROOT=/snap/dotnet-sdk/current Export the environment variable permanently The preceding export command only sets the environment variable for the terminal session in which it was run. You can edit your shell profile to permanently add the commands. There are many different shells ava...
export MY_VAR=”UNIXMEN” To verify if the environment variable is set in Linux successfully, you can use the “echo” command. Here is an example. echo $MY_VAR Linux: Set Environment Variables Permanently You have to add the environment variable to one of the shell configuration files to...