(" bang bang ") repeats the last command in its entirety.

(“ bang bang ”)完整地重复最后一条命令。

youdao

To dump out the contents of the WTMP file, use the last command.

要转储wtmp文件的内容，可以使用last命令。

youdao

The last command can delete a specific record by ID or many records through a query.

最后一个命令可以按照 ID 删除一条特定记录，也可以通过查询删除多条记录。

youdao

And that is the whole point of the exercise." Since Africa Command was established last year, critics have argued the purpose of the command is to militarize American foreign policy on the continent.

VOA: standard.2009.10.20

And here's a little trick -- and again, we promised to point -- out little tricks of the trade -- if I know I want to execute the last command I typed that started with an m, bangm will actually figure out what that command was and redo it for me so I don't have to figure it out, or you can go back in time in a terminal window.

这里有个小技巧--此外，我们许诺指出行业中的,一些小技巧-,如果我知道我想执行我写入的上一个命令,是以m开头的，！m会明白那个命令是什么,然后为我恢复上次操作,所以我不需要明白它，或者你可以回到,那个终端窗口。

哈佛公开课 - 计算机科学课程节选

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