env
env is a Linux command in the Shell & Scripting category, rated advanced difficulty. Displays or modifies environment variables for a command. The syntax is env [options] [name=value] command. It returns environment variable list or command output. A practical example: env env PATH=/custom/path command env -i HOME=$HOME command # Minimal environment env | grep PATH A close relative is echo, which displays a line of text. Used in scripts for output. A close relative is printf, which formats and prints data (like C printf). More control than echo. A close relative is export, which sets or exports environment variables for child processes. More about this category: Linux shell and scripting commands — bash, echo, export, alias, and more. Work with the shell environment and scripts. Related Shell & Scripting commands: echo, printf, export, source, alias, unalias, history, xargs.