如果启动两个单独的交互clp会话，每个会话的命令历史记录都存储在单独的缓存中。
If you start two separate interactive CLP sessions, each session's command history is stored in a separate cache.
如果不能调用，那么保存的命令历史记录就用处不大。
Saving a history of commands is of little use if you cannot recall it.
查看和修改命令历史记录。
第一行将移除您的shell历史记录中连续的重复命令。
The first line removes consecutive duplicate commands from your shell history.
bash中的主命令提示符同时提供了编辑命令行的能力和历史记录功能，后者记住各个命令行，以便您能够再次执行它们。
The main command prompt within bash provides both the ability to edit the command line and a history function, remembering individual command lines so that you can execute them again.
GShell是一个可扩展的环境，并包括对编辑、命令历史记录和按tab键自动完成(tab completion)的支持。
GShell is an extensible environment and includes support for editing, command history, and TAB completion.
可以使用这些选项记录命令的历史记录，这将在下几节中详细介绍。
These options can be used to record a history of the commands, and are explained more in the next sections.
命令历史记录不会在会话与会话之间持续；会话结束时，缓存就会被清除，这通常发生在运行QUIT 命令之后。
The command history does not persist from session to session; the cache is cleared when the session ends, which normally happens after you run the QUIT command.
如果历史记录文件比较大，您可以首先通过管道传输到tail来运行周期性的检查，例如，要检查最后的1,000条命令，可以尝试使用。
If your history file is large, you can run periodic checks by piping to tail first — for example, to check the last 1,000 commands, try.
使用Control - P(上一个命令)和Control - n(下一个命令)，您可以在命令历史记录中向后或向前移动(按反向的年代顺序)。
You can go backwards and forwards through your command history (in reverse chronological order) using Control-P (previous command) and Control-N (next).
你可以为输入的命令历史记录进行连续的检测。
你可以为输入的命令历史记录进行连续的检测。
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