history 清空历史记录 或 history不记录历史命令

1# vi ~/.bash_history

 清空里面的记录,并退出当前shell

# exit(一定要退出当前shell)# history1  vi ~/.bash_history2  history |grep mysql3  clear4  vi ~/.bash_history5  echo "" > ~/.bash_history6  vi ~/.bash_history7  history8  exit9  history#之前的内容被清空!!!
[root@localhost ~]# history1  history2  echo "" > ~/.bash_history3  history[root@localhost ~]# history -c #也可以清空历史命令[root@localhost ~]# history1  history

 history不记录历史命令:

#vi /etc/profile
#HISTSIZE=1000
HISTSIZE=6 #记录历史命令的条数;HISTSIZE=0为不记录

 记得重新载入:

1# source /etc/profile

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