设置一个环境变量MY_VARIABLE,并将其导出为全局变量。 export MY_VARIABLE="Hello World" 示例二 将一个变量传递给子进程。 export MY_VARIABLE="Hello World"./my_script.sh 示例三 设置一个全局变量,并在其他用户的shell中可见。 export PATH="/usr/local/bin:$PATH" 示例四 设置一个环境变量,用于控制程序...
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 can choose betwee...
How to Export an Environment Variable If you want to turna shell variable intoan environment variable, return to the parent shell andexportit with the export command: export[VARIABLE_NAME] 1. Useprintenvto confirm the successful ex...
source: 就是点命令 source 1.sh/ . 1.sh 在bash下输入man source,找到source命令解释处,可以看到解释"Read and execute commands from filename in the current shell environment and ..."。从中可以知道,source命令是在当前进程中执行参数文件中的各个命令,而不是另起子进程(或sub-shell)。 exec: 在bash...
VARIABLE=value; export VARIABLE 例如,为了使vim编辑器等能够正常工作,需要根据自己使用的具体终端类型,采用“TERM=termtype;export TERM”的命令形式定义终端,以便系统能够检索TERMINFO数据库,确定终端的特性。 2. 设置环境变量 在数据库等应用程序中,需要用到许多环境变量。一些软件厂商通常也都提供一个环境变量设置...
/home/leiyhn/Intel/compilers_and_libraries_2019.0.117/linux/mpi/intel64/bin/mpif90 -fPIC -Wall -Wno-unused-variable -ffree-line-length-0 -Wno-unused-dummy-argument -g -O0 Linkers: Shared linker: /home/leiyhn/Intel/compilers_and_libraries_2019.0.117/linux/mpi/intel64/bin/mpicc -shared ...
setexpr - set environment variable as the result of eval expression sf - SPI flash sub-system showvar - print local hushshell variables size - determine a file's size sleep - delay execution for some time source - run script from memory ...
print initialized variable information 打印初始化变量信息 :global myVar true; :environment print;terminal terminal related commands 终端相关命令 error:error <output> Generate console error and stop executing the script ...
The extensions under development are not enabled by default in driver. You can enable them through environment variable: export AMDVLK_ENABLE_DEVELOPING_EXT="<extension1-name> [<extension2-name>...]" or export AMDVLK_ENABLE_DEVELOPING_EXT="all" ...
If you set both the CL_INSTALLER_PASSWORD and CL_INSTALLER_HASHED_PASSWORD variable, the CL_INSTALLER_HASHED_PASSWORD takes precedence. CL_INSTALLER_INTERFACES_FILENAME Defines the name of the file on the ONIE filesystem you want to use as the /etc/network/interfaces file.This variable is ...