Linux Knowledge
Free resources for learning more about Linux
Corso realizzato e gentilmente offerto da Coresis sotto Licenza GNU FDL (Traduzione italiana: Licenza per Documentazione Libera GNU).
What Is Linux? | How to Get Started | What Software does Linux Support? | How to Find a Particular Application | What Hardware Is Supported? | What Is Linux's Open-Source License? | Where Is the Latest Kernel Version on the Internet? | Where Is the Documentation? | Where Is the Linux Stuff on the World Wide Web? | What News Groups Are There for Linux? | Where To Find Information About Security Related Issues | Where To Find Linux System Specifications | Can Linux Use the Same Hard Drive as MS-DOS? OS/2? 386BSD? Win95? | How To Access Files on a MS-DOS Partition or Floppy | Can Linux Access SMB File Systems? | Can Linux Access Macintosh File Systems? | Can Linux Run Microsoft Windows Programs? | Where Is Information about NFS Compatibility? | Can Linux Boot from MS-DOS? | How Can Linux Boot from OS/2's Boot Manager? | How To Make Backups | How To Resize a Partition (Non-Destructively) | Does Linux Support Virtualized File Systems Like RAID? | Does Linux Support File System Encryption? | Etc. ...
With the thousands of commands available for the command line user, how can you remember them all? The answer is, you don't. The real power of the computer is its ability to do the work for you. To get it to do that, we use the power of the shell to automate things. We write scripts.
Scripts are collections of commands that are stored in a file. The shell can read this file and act on the commands as if they were typed at the keyboard. In addition to the things you have learned so far, the shell also provides a variety of useful programming features to make your scripts truly powerful.
What are scripts good for? A wide range of tasks can be automated...
Graphical user interfaces (GUIs) are helpful for many tasks, but they are not good for all tasks. I have long felt that most computers today do not use electricity. They instead seem to be powered by the "pumping" motion of the mouse! Computers were supposed to free us from manual labor, but how many times have you performed some task you felt sure the computer should be able to do? You ended up doing the work by tediously working the mouse. Pointing and clicking, pointing and clicking. I once heard an author remark that when you are a child you use a computer by looking at the pictures. When you grow up, you learn to read and write...
One of biggest challenges facing a new Linux user is the sheer number of programs and commands available at the command line. There may be thousands in a typical installation. In hopes of making things easier, here are the man pages presented in both alphabetical and functional order.
This is a practical selection of the commands we use most often. Press <Tab> to see the listing of all available command (on your PATH). On my small home system, it says there are 2595 executables on my PATH. Many of these "commands" can be accessed from your favourite GUI front-end (probably KDE or Gnome) by clicking on the right menu or button. They can all be run from the command line.
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