From d92791b287588d71556900db813ae6b311f218df Mon Sep 17 00:00:00 2001 From: Chuancong Gao Date: Tue, 5 Jan 2016 14:24:11 -0800 Subject: [PATCH] env: update --- pages/common/env.md | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/pages/common/env.md b/pages/common/env.md index 6ebe9f1ee..7d78858f4 100644 --- a/pages/common/env.md +++ b/pages/common/env.md @@ -1,19 +1,23 @@ # env -> Show the environment or run a program in a modified environment +> Show the environment or run a program in a modified environment. -- Show the environment +- Show the environment: `env` -- Clear the environment and run a program +- Run a program. Often used in scripts after the shebang (#!) for looking up the path to the program. + +`env {{program}}` + +- Clear the environment and run a program: `env -i {{program}}` -- Remove variable from the environment and run a program +- Remove variable from the environment and run a program: `env -u {{variable}} {{program}}` -- Set a variable and run a program +- Set a variable and run a program: `env {{variable}}={{value}} {{program}}`