printenv: add page (#2400)

2018-10-09 00:16:27 +02:00
parent e29f371ac1
commit e1c4e34b45
1 changed files with 15 additions and 0 deletions
--- a/pages/linux/printenv.md
+++ b/pages/linux/printenv.md
@@ -0,0 +1,15 @@
+# printenv 
+
+> Print values of all or specific environment variables.
+
+- Display key-value pairs of all environment variables:
+
+`printenv`
+
+- Display the value of a specific variable:
+
+`printenv {{HOME}}`
+
+- Display the value of a variable and end with NUL instead of newline:
+
+`printenv --null {{HOME}}`