diff --git a/htroot/Steering.html b/htroot/Steering.html
index 22c039a6d..3da1099d6 100644
--- a/htroot/Steering.html
+++ b/htroot/Steering.html
@@ -26,7 +26,7 @@
       If you can't reach YaCy's interface after 5 minutes restart failed.
 ::
       <b>Installing release #[release]#</b><br />
-      <p>YaCy will be restartet after installation</p>
+      <p>YaCy will be restarted after installation</p>
       #(/info)#
     </p>
   </body>
diff --git a/source/de/anomic/server/serverSystem.java b/source/de/anomic/server/serverSystem.java
index 916532c63..402951799 100644
--- a/source/de/anomic/server/serverSystem.java
+++ b/source/de/anomic/server/serverSystem.java
@@ -99,7 +99,7 @@ public final class serverSystem {
 
 	isMacArchitecture = ((systemOS == systemMacOSC) || (systemOS == systemMacOSX));
 	isUnixFS = ((systemOS == systemMacOSX) || (systemOS == systemUnix));
-    canExecUnix = ((isUnixFS) || (!((systemOS == systemMacOSC) || (systemOS == systemWindows))));
+        canExecUnix = ((isUnixFS) || (!((systemOS == systemMacOSC) || (systemOS == systemWindows))));
 
 	// set up the MRJ Methods through reflection
 	if (isMacArchitecture) try {
@@ -340,7 +340,7 @@ public final class serverSystem {
         // runs a unix/linux script as separate thread
         File starterFile = new File(scriptFile.getAbsolutePath() + ".starter.sh");
         //deployScript(starterFile, "touch restart.starter.startet1");
-        deployScript(starterFile, scriptFile.getAbsolutePath() + " &" + serverCore.lfstring);
+        deployScript(starterFile, "#!/bin/sh" + serverCore.lfstring + scriptFile.getAbsolutePath() + " &" + serverCore.lfstring);
         try {
             Runtime.getRuntime().exec(starterFile.getAbsolutePath()).waitFor();
         } catch (InterruptedException e) {
diff --git a/source/de/anomic/yacy/yacyVersion.java b/source/de/anomic/yacy/yacyVersion.java
index 3cf182612..b86c0e36f 100644
--- a/source/de/anomic/yacy/yacyVersion.java
+++ b/source/de/anomic/yacy/yacyVersion.java
@@ -371,13 +371,14 @@ public final class yacyVersion implements Comparator, Comparable {
             try {
                 serverLog.logInfo("RESTART", "INITIATED");
                 String script =
+                    "#!/bin/sh" + serverCore.lfstring +
                     "cd " + sb.getRootPath() + "/DATA/RELEASE/" + serverCore.lfstring +
-                    "while [ -e ../yacy.running ]; do" + serverCore.lfstring +
+                    "while [ -f ../yacy.running ]; do" + serverCore.lfstring +
                     "sleep 1" + serverCore.lfstring +
                     "done" + serverCore.lfstring +
                     "cd ../../" + serverCore.lfstring +
                     "nohup ./startYACY.sh > /dev/null" + serverCore.lfstring;
-    			File scriptFile = new File(sb.getRootPath(), "DATA/RELEASE/restart.sh");
+                File scriptFile = new File(sb.getRootPath(), "DATA/RELEASE/restart.sh");
                 serverSystem.deployScript(scriptFile, script);
                 serverLog.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
                 serverSystem.execAsynchronous(scriptFile);
@@ -395,9 +396,10 @@ public final class yacyVersion implements Comparator, Comparable {
             plasmaSwitchboard sb = plasmaSwitchboard.getSwitchboard();
             serverLog.logInfo("UPDATE", "INITIATED");
             String script =
+                "#!/bin/sh" + serverCore.lfstring +
                 "cd " + sb.getRootPath() + "/DATA/RELEASE/" + serverCore.lfstring +
                 "gunzip -c " + release + " | tar xf -" + serverCore.lfstring +
-                "while [ -e ../yacy.running ]; do" + serverCore.lfstring +
+                "while [ -f ../yacy.running ]; do" + serverCore.lfstring +
                 "sleep 1" + serverCore.lfstring +
                 "done" + serverCore.lfstring +
                 "cp -Rf yacy/* ../../" + serverCore.lfstring +