Workbook for BaBar Offline Users - How to Enter Unix Commands
Users who are very new to Unix should carefully read the following
notes before trying to run the Workbook examples.
Different Users Have Different Prompts
Different Unix users often have different command prompts, and the
command prompt can vary depending on which host you are using or which
directory you are in.
Your prompt might be like one of the following:
or any of a wide variety of other formats.
For the purposes of this Workbook, commands that you should type in
will be preceded by the simple prompt:
You can set this up this same prompt for yourself by using the following command:
> set prompt='> '
Pay Attention to Your Current Directory
It is very important to pay attention to which directory you are
currently in when you issue commands. This is known as your "current
At any time, you can check which directory you are currently working in by
issuing the command
When it does not matter what directory you issue a command from, the
Workbook examples will show a simple prompt, as in:
When it does matter what directory you issue a command from, the
Workbook examples will include the relevant part of the directory
structure in the prompt, as in:
Beta-a24/workdir> gmake setup
You can set your own prompt to always show you the current working
directory, by using the command:
> set prompt='%~> '
This is popular with new users, but more advanced users usually skip
it since the very long directory paths of Babar software can give you
an annoyingly long prompt.
Pay Attention to Upper and Lower Case
In entering any Unix commands, don't forget that Unix is usually case
sensitive. Commands should be entered in exactly the upper and lower
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Last modification: 6 June 2005
Last significant update: 6 June 2005