diff --git a/pbatch/pb.rb b/pbatch/pb.rb
index b8125d8..13831f1 100755
--- a/pbatch/pb.rb
+++ b/pbatch/pb.rb
@@ -128,7 +128,7 @@ def addjobfromfile
 			usage
 		end
 	end
-	jobnumber=sprintf("%06d", increasejobscounter)
+	jobnumber = sprintf("%06d", increasejobscounter)
 	puts "New job: #{jobnumber}"
 	File.copy(filename, "#{@basedir}/#{JOBSDIR}/#{jobnumber}")
 	File.chmod(RUNMODE, "#{@basedir}/#{JOBSDIR}/#{jobnumber}")
@@ -157,15 +157,55 @@ def master
 end
 
 def deljob
+	jobnumber = ARGV[0]
+	if jobnumber.nil?
+		puts "Missing jobnumber"
+		usage
+	else
+		jobnumber = sprintf("%06d", jobnumber.to_i)
+		if FileTest.exists?("#{@basedir}/#{JOBSDIR}/#{jobnumber}")
+			File.unlink("#{@basedir}/#{JOBSDIR}/#{jobnumber}")
+		else
+			puts "Job '#{jobnumber}' not in queue"
+			exit
+		end
+	end
 end
 
 def parkjobs
+	Dir.entries("#{@basedir}/#{JOBSDIR}").each{|file|
+		if file == '.' or file == '..'
+			next
+		end
+		File.move("#{@basedir}/#{JOBSDIR}/#{file}", "#{@basedir}/#{PARKDIR}")
+	}
 end
 
 def unparkjobs
+	Dir.entries("#{@basedir}/#{PARKDIR}").each{|file|
+		if file == '.' or file == '..'
+			next
+		end
+		File.move("#{@basedir}/#{PARKDIR}/#{file}", "#{@basedir}/#{JOBSDIR}")
+	}
 end
 
 def unfail
+	jobnumber = ARGV[0]
+	if jobnumber.nil?
+		puts "Missing jobnumber"
+		usage
+	else
+		jobnumber = sprintf("%06d", jobnumber.to_i)
+		if FileTest.exists?("#{@basedir}/#{FAILDIR}/#{jobnumber}/job")
+			File.move("#{@basedir}/#{FAILDIR}/#{jobnumber}/job", "#{@basedir}/#{JOBSDIR}/#{jobnumber}")
+			# XXX tja, lekker makkelijk even geen recursie implementeren
+			system("rm", "-rf", "#{@basedir}/#{FAILDIR}/#{jobnumber}")
+		else
+			puts "Job '#{jobnumber}' not in failed dir"
+			exit
+		end
+	end
 end
 
 def changeprio