diff --git a/bashrc b/bashrc
index 74111f6..fdcdd93 100755
--- a/bashrc
+++ b/bashrc
@@ -33,8 +33,6 @@ null ls --version && alias with_coreutils=true
 
 #################################
 
-export PS1                      # PS1 is defined later
-# PROMPT_COMMAND=prompt_function
 if false iswindows
 then
     export PAGER='tr -d \\r | less'
@@ -210,7 +208,7 @@ scr(){
 }
 
 netwait(){
-    while ! ping example.com -c 1
+    while ! ping -c 1 -t 1 example.com
     do
         true
     done
diff --git a/gitignore b/gitignore
index aef3ade..bcf74c8 100644
--- a/gitignore
+++ b/gitignore
@@ -1,3 +1,9 @@
 \#*
 *~
 .DS_Store
+
+# gnu global
+GPATH
+GRTAGS
+GSYMS
+GTAGS