UnsetLinux is a command used in the Linux operating system tounsetor remove an environment variable. Environment variables are settings or values that are used by programs running in the Linux envi sed ide lua 原创 it入门小白白 2024-03-05 13:55:32 ...
Unset Linux is a command used in the Linux operating system to unset or remove an environment variable. Environment variables are settings or values that are used by programs running in the Linux envi sed ide lua 原创 it入门小白白 2024-03-05 13:55:32 44阅读 linux...
With theexportbuilt-in command, the given names are marked for automatic export to the environment of subsequently executed commands. If no arguments are given, variable names that have been marked for export during the current shell's execution are listed. Function names are not exported. Options...
Syntax unset [-fv] [name...] Key -v Eachnamerefers to a shell variable.(default) -f Eachnamerefers to a shell function, and the function definition is removed. Each unset variable or function is removed from the environment passed to subsequent commands. If any of RANDOM, SECONDS, LINENO...
0 Successful completion. >0 An error occurred.For each name specified, unset unsets the variable, or function if –f is specified, from the current shell execution environment. Read-only variables cannot be unset.The options for unset in ksh are:...
Export Local Environment Variables in Linux c.)Here, we created a local variableVAR2and set it to a value. Then in-order to run a command temporarily clearing out all local and other environment variables, we executed'env –i'command. This command here executed bash shell by clearing out ...
For each name, theunsetcommand removes the corresponding variable or function value. The special variablesPATH,PS1,PS2,MAILCHECK, andIFcannot be unset. With theexportbuilt-in command, the given names are marked for automatic export to the environment of subsequently executed commands. If no argumen...
UnsetLinux is a command used in the Linux operating system tounsetor remove an environment variable. Environment variables are settings or values that are used by programs running in the Linux envi sed ide lua 原创 it入门小白白 2024-03-05 13:55:32 ...
UnsetLinux is a command used in the Linux operating system tounsetor remove an environment variable. Environment variables are settings or values that are used by programs running in the Linux envi sed ide lua 原创 it入门小白白 2024-03-05 13:55:32 ...
Unset readonly variable in bash,转自:https://stackoverflow.com/questions/17397069/unset-readonly-variable-in-bash