answer question

2 files changed, 13 insertions, 2 deletions

diff --git a/.gitignore b/.gitignore
index a136337..f078fe2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,2 @@
 *.pdf
+tmp
diff --git a/README.md b/README.md
index 8f9c21e..e971b07 100644
--- a/README.md
+++ b/README.md
@@ -220,10 +220,20 @@ The following will change the permissions for a file named `lab5` in the
 * read and write for everyone (4 + 2 = 6)
 
 ```bash
-chmod 776 ∼/lab5
+$ chmod 776 ∼/lab5
+```
+
+The following will change the permissions for any files that start with
+lab and is followed by any optional single character in the `$HOME` directory.
+
+* read, write, execute for the owner (4 + 2 + 1 = 7)
+* read, execute for the group (4 + 1 = 5)
+* execute for everyone (1 = 1)
+
+```bash
+$ chmod 751 ∼/lab?
 ```
 
-b.  chmod 751 ∼/lab?
 c.  chmod 511 *.c
 d.  chmod 711 ∼/*
 e.  ls -l