OS-kemen

Unix is:

• A text editor

• An operating system

• A distribution of Linux

• A type of hardware

• A trademark

Open source means:

• You must support the software you share

• You cannot charge anything for the software

• You must share your changes

• You can modify the software’s source code

• You can view the software’s source code

Open source licenses differ, but generally agree that:

• You should be able modify the software as you wish

• You should have access to the source code of software

• You must redistribute your changes

• You are not allowed to sell the software

Apple’s OS X is:

• Able to natively run Windows binaries

• Certified as UNIX compatible

• Derived from FreeBSD

• Derived from Linux

• Primarily used to manage network services

Microsoft Windows:

• Has a new desktop version every year.

• Has powerful scripting capabilities

• Comes in desktop and server variants

• Has built in virtualization

• Has a short maintenance cycle

Other commercial Unixes:

• Are tied to their vendor’s hardware

• Are almost obsolete

• Are UNIX certified

• Do not run the GNU tools

• Use completely different commands than Linux

When choosing a distribution of Linux, you should consider:

• Which distributions are supported by the software you need to run

• The maintenance cycle of the distribution

• If you need support on the distribution itself

• Which management tools are provided by the distribution

• Whether or not the distribution is under active development

Which of the following are examples of desktop software? (choose two)

• Compiler

• File share

• Web browser

• Web server

• Music player

Which of the following pieces of software deal with file sharing? (choose three)

• Samba

• Netatalk

• PostgreSQL

• NFS

• X-Windows

Which of the following are examples of text editors? (choose four)

• pico

• nano

• yum

• vim

• emacs