add env command

2014-04-08 22:47:38 +08:00
parent c92c84e2df
commit 0aa39f0aa2
1 changed files with 19 additions and 0 deletions
--- a/pages/common/env.md
+++ b/pages/common/env.md
@@ -0,0 +1,19 @@
+# env
+
+> Show the environment or run a program in a modified environment
+
+- Show the environment
+
+`env`
+
+- Clear the environment and run a program
+
+`env -i {{program}}`
+
+- Remove variable from the environment and run a program
+
+`env -u {{variable}} {{program}}`
+
+- Set a variable and run a program
+
+`env {{variable}}={{value}} {{program}}`