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