bash: Move examples to the bottom

bash.md

@@ -389,18 +389,6 @@ Note that `[[` is actually a command/program that returns either `0` (true) or `
 
 ### Example
 
-```bash
-if ping -c 1 google.com; then
-  echo "It appears you have a working internet connection"
-fi
-```
-
-```bash
-if grep -q 'foo' ~/.bash_history; then
-  echo "You appear to have typed 'foo' in the past"
-fi
-```
-
 ```bash
 # String
 if [[ -z "$string" ]]; then
@@ -749,6 +737,22 @@ cd -
 pwd # /home/user/foo
 ```
 
+### Check for command's result
+
+```bash
+if ping -c 1 google.com; then
+  echo "It appears you have a working internet connection"
+fi
+```
+
+### Grep check
+
+```bash
+if grep -q 'foo' ~/.bash_history; then
+  echo "You appear to have typed 'foo' in the past"
+fi
+```
+
 ## Also see
 {: .-one-column}