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dt>

helix% ls 
acc                 mouse_heavy.list2   mouse_light.list2
mouse_heavy.list    mouse_light.list    temp.seq

logout logs you out of your helix session.

How do I cite the GCG package?

GCG suggests that published research which utilized the GCG software package should cite:

               Wisconsin Package Version 9.1, 
               Genetics Computer Group (GCG), 
                   Madison, Wisc.

This information appears in the GCG Banner that is displayed each time you initialize GCG on helix. When GCG is updated on the helix systems, the banner will change, so you should use the latest citation that appears in the banner.

VAX (VMS) to Unix issues

If you've been using GCG on a VMS operating system, your sequence files should work fine with GCG on helix. However there is one thing to watch out for. VMS files are normally called NAME.EXT;v where v is the version number. A semicolon is a special character in Unix, and Unix file names usually don't have version numbers. You can still use your files by:

typing a backslash (\) character before the semicolon when you use the filename. For example:
```
helix% more LPA223.SEQ\;1 
```
A better option: rename the file to something more Unix-compatible. For a single file, you can do this by typing:
```
helix% mv LPA223.SEQ\;1 LPA223.SEQ
or
helix% mv LPA223.SEQ\;1 LPA223.SEQ.1
```
If you are going to be renaming lots of files, you can use the fnunconvert program on helix, which will rename the files. To see how it works, you can try:
```
helix% fnunconvert -p .
```
which will describe the name changes, but not actually do them.