unset: clarify example with no options (#4126)

2020-07-06 04:50:40 +08:00 · 2020-07-06 04:50:40 +08:00 · 222bc41873
parent 8c86156d13
commit 222bc41873
1 changed files with 5 additions and 1 deletions
--- a/pages/linux/unset.md
+++ b/pages/linux/unset.md
@ -2,9 +2,13 @@

 > Remove shell variables or functions.

+- Remove the variable `foo`, or if the variable doesn't exist, remove the function `foo`:
+
+`unset {{foo}}`
+
 - Remove the variables foo and bar:

-`unset {{foo}} {{bar}}`
+`unset -v {{foo}} {{bar}}`

 - Remove the function my_func: