There are three general categories of simple commands one should master to use ACS's scientific software. For more comprehensive help with UNIX, you ar referred to The UNIX Reference Desk .
Example lists all files with '.
Example combines the contents of fname1 and fname2 into fname3 . Return to home directory cd Strategies for files and directories. Creation of multiple files is an inherent part of sequence analysis. Requirements of sanity and the limited resource of disk space dictate that each user maintain some structure and control of his or her files. These comments are directed toward these ends.