Note:Take a look at our in-depth guide on how to use theLinux set commandto learn more about it. Set an Environment Variable in Linux set a shell variable The simplest way to set a variable using the command line is to type its name followed by a value: [VARIABLE_NAME]=[variable_va...
Set an Environment Variable in Linux set a shell variable The simplest way to set a variable using the command line is to type its name followed by a value: [VARIABLE_NAME]=[variable_value] 1. As an example, create a variable calledEXAMPLEwith a text value. If you type ...
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When used without any arguments, the `env` command displays a list of all the environment variables set in the current shell session. Each variable is displayed on a separate line, showing the variable name followed by the value. To modify an environment variable, you can use the `env` com...
reset-PerformRESEToftheCPUrun-run commandsinan environment variable saveenv-save environment variables to persistent storage setenv-setenvironment variables showvar-print local hushshell variables sleep-delay executionforsome time source-run script from memory ...
environment variables are set on the Linux system, and it's important to know where these places are. This chapter walks you through the world of Linux environment variables, showing where they are, how to use them, and even how to create your own. The chapter finishes off with a related...
set OR env OR printenv 给环境变量赋值 You can modify each environmental or system variable using theexport command. Set the PATH environment variable to include the directory where you installed the bin directory with perl and shell scripts: ...
bash shell用一个叫做environment variable环境变量的特性来存储有关shell会话和工作环境的信息。这项特性允许你在内存中存储数据,以便程序或shell中运行的脚本能够轻松访问到它们。 在bash shell中,环境变量分为两类: 全局变量; 局部变量; 1.1全局环境变量
# Use makeM=dir orsetthe environment variableKBUILD_EXTMODto specify the # directoryofexternal module to build.SettingM=takes precedence.ifeq("$(origin M)","command line")KBUILD_EXTMOD:=$(M)endif module.bbclass里定义的变量KERNEL_SRC的代码: ...
Specify the carrier board by setting these environment variables on the command line. You can get the appropriate values from the Jetson module’s EEPROM as described in the “EEPROM Layout” topic for your Jetson device. BOARDID: Use the value of the “Board number” field. FAB: Use the ...