1.2 KiB
Executable File
1.2 KiB
Executable File
The env command
The env command in Linux/Unix is used to either print a list of the current environment variables or to run a program in a custom environment without changing the current one.
Syntax
env [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]
Usage
- Print out the set of current environment variables
env - Run a command with an empty environment
env -i command_name - Remove variable from the environment
env -u variable_name - End each output with NULL
env -0
Full List of Options
| Short Flag | Long Flag | Description |
|---|---|---|
-i |
--ignore-environment |
Start with an empty environment |
-0 |
--null |
End each output line with NUL, not newline |
-u |
--unset=NAME |
Remove variable from the environment |
-C |
--chdir=DIR |
Change working directory to DIR |
-S |
--split-string=S |
Process and split S into separate arguments. It's used to pass multiple arguments on shebang lines |
-v |
--debug |
Print verbose information for each processing step |
| - | --help |
Print a help message |
| - | --version |
Print the version information |