1. Find out the line number you want to remove # history 987 2014-04-07 14:03:19 apachectl stop 988 2014-04-07 14:09:49 apachectl start 989 2014-04-08 13:09:54 apachectl stop 990 2014-04-08 13:11:24 apachectl start 991 2014-04-08 13:11:27 exit 2. Now delete the line from history by command history -d #. Example here I am going to delete line 990 # history -d 990 3. Check the line has been deleted or not # history 987 2014-04-07 14:03:19 apachectl stop 988 2014-04-07 14:09:49 apachectl start 989 2014-04-08 13:09:54 apachectl stop 990 2014-04-08 13:11:27 exit 991 2014-04-11 17:26:44 history -d 990 992 2014-04-11 17:26:47 history If you want to use everything from history then use following command: # history –d |