Fixed some spelling mistakes

bashbot.sh

@@ -33,7 +33,7 @@
 # emmbeded system may claim bash but it is not
 # check for bash like ARRAY handlung
 if ! (unset a; set -A a a; eval "a=(a b)"; eval '[ -n "${a[1]}" ]'; ) > /dev/null 2>&1; then
-	printf "Error: Current shell does not support ARRAY's, may be busbox ash shell. pls install a real bash!\n"
+	printf "Error: Current shell does not support ARRAY's, may be busybox ash shell. pls install a real bash!\n"
 	exit 10
 fi
 

examples/background-scripts/run_diskusage.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-# file: run_diskcusage.sh
+# file: run_diskusage.sh
 # example for an background job display a system value
 #
 # This file is public domain in the USA and all free countries.
@@ -37,7 +37,7 @@ fi
 
 NEWLINE=$'\n'
 
-# output disk usgae every $1 seconds
+# output disk usage every $1 seconds
 WAIT=0
 while sleep $WAIT
 do