tweaks

examples/execing-processes/execing-processes.sh

@@ -1,6 +1,5 @@
 # When we run our program it is replaced by `ls`.
 $ go run execing-processes.go
-$ ls -a -l -h
 total 16
 drwxr-xr-x  4 mark 136B Oct 3 16:29 .
 drwxr-xr-x 91 mark 3.0K Oct 3 12:50 ..

examples/spawning-processes/spawning-processes.go

@@ -31,8 +31,8 @@ func main() {
     fmt.Println(string(dateOut))
 
     // Next we'll look at a slightly more involved case
-    // where we pipe data to the exteranl process on its
-    // `stdin` and collect the results from `stdout`.
+    // where we pipe data to the external process on its
+    // `stdin` and collect the results from its `stdout`.
     grepCmd := exec.Command("grep", "hello")
 
     // Here we explicitly grab input/output pipes, start

examples/spawning-processes/spawning-processes.sh

@@ -1,5 +1,5 @@
 # The spawned programs return output that is the same
-# as if we had run them directly form the comand-line.
+# as if we had run them directly from the command-line.
 $ go run spawning-processes.go 
 > date
 Wed Oct 10 09:53:11 PDT 2012