Hi, On Fri, Oct 17, 2008 at 14:02, ann kok <annkok2001@xxxxxxxxx> wrote: > I want to reuse command in the shell historys > Which command I can only select "traceroute 192.168.0.5" to run? I would type "Ctrl-R" (interactive search history starting with more recent events), then type "trace", then type "Ctrl-R" again until I find the command I'm looking for, in your case, 4 times. Once you start using "Ctrl-R" you will probably never want to use "history | grep ..." and "!..." again. HTH, Filipe > $ history |grep traceroute > 26 traceroute 192.168.0.5 > 27 traceroute -n 192.168.0.5 > 28 traceroute 192.168.0.10 > 29 traceroute yahoo.com > 46 traceroute 192.168.0.33 _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos