nano: add new command for backup (#4397)

2020-10-05 18:56:27 +05:00
parent be791964a9
commit 33079e3240
1 changed files with 4 additions and 0 deletions
--- a/pages/common/nano.md
+++ b/pages/common/nano.md
@@ -18,3 +18,7 @@
 - Indent new lines to the previous lines' indentation:

 `nano -i {{filename}}`
+
+- Before modification, backup separately as `{{current_file_name}}~`:
+
+`nano -B {{filename}}`