Getopt and Getopts

Both "getopt" and getopts are tools to use for processing and validating shell script arguments. They are similar, but not identical. More confusingly, functionality may vary from place to place, so you need to read the man pages carefully if your usage is more than casual.

Transferring to New Hardware With a Supertar

With any of the Supertars, transferring to new hardware is easy. If the new hardware uses the same disk controller (or the same driver) as the old, you can just boot from your recovery media and proceed to recover the system. But what about when the new hardware is different?

Keeping Track of Your Customers & Prospects

Choosing Between a Computer or Paper System To serve your customers, you need to track their purchases and needs. There is no efficient way to do this with paper files that even comes close to the power and efficiency of the computer. To maximize your time and your sales, you'll have to move away from paper and use either contact management or database software. Some…