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I was looking at a man page yesterday, but I can't remember the name of the command I was reading about, and I didn't write it down. How do I get the man page back?
Probably, the command you used is stored in a file called .bash_history. By default, this file records the last 500 commands you typed at the shell prompt.
You can glimpse the history of your commands by typing history at the shell prompt, but the results will speed by quickly.
Another way to view .bash_history is with a pager
such as less. Type less
.bash_history at the shell prompt and the results will
display one page at a time. To move forward a screen, press the
Paging through .bash_history to find a command can be tedious. Alternatively, you can search through the file for keywords using grep, a powerful search utility.
Let's say you'd been reading the man page the day before, but can't recall its name. To search for the command, type:
You'll see a list of all the commands you typed which have the word man in them.
There are plenty of ways to your command history. For other tips and tricks, see the section called Tips on Using Command History.
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