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Introduction to Unix
Unix is an operating system (like Windows XP or Mac OS X) originally
developed by AT&T Bell Laboratories in the 1970s. Unix was designed
specifically for computers that could handle mutiple users running multiple
programs. There are a variety of simple utilities and small programs
in Unix that can be combined to perform powerful functions. In addition,
Unix possesses a hierarchical file system, in which directories have files
and subdirectories beneath them.
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Computers in Hochsteter 139 and 141
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Sun Ultra 5
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Sun's implementation of Unix Operating System - Solaris
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Logging In and Overview
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UB IT username and password (Note: User must have NSM account from SENS)
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Graphical User Interface - Common Desktop Environment (CDE)
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Mouse buttons - left, middle, and right
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Tour of desktop and menus
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Console - access to Unix shell
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Basic Unix Elements
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Commands - the instructions given to the system that tell it what to do
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Files - a named collection of data that are stored in directories
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Directories - similar to a folder in that each directory can contain many
files
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Shell Prompt - a character at the start of the command line which indicates
that the shell is ready to receive your command
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Unix File System
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Root Directory - /
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Subdirectories of the Root Directory (e.g. /nsm
/usr /bin)
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Home Directory (default location when shell is started) - /nsm/home/myusername
or ~myusername
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Common Unix Commands
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ls
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cd
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mkdir
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pwd
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cp
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rm
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more
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less
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mv
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man
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more Unix commands and their descriptions
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