Using Unix

Using UNIX This document gives an overview of how to use UNIX. I don’t know who wrote this, but it’s very useful.

Getting More Help You can get more information about any of the topics discussed here by typing “ man <topic name>”, for instance,  man ls If you don’t quite remember the name of the command, you can say “ apropos <topic name”, for instance  apropos directory There are also many good books in the library that describe all this.

Remember This Picture? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Applications Libraries Kernel (OS) Hardware

Logging In ,[object Object],[object Object],[object Object],[object Object],[object Object]

Session Startup ,[object Object],[object Object],[object Object]

Your Home Directory ,[object Object],[object Object]

Interacting with the Shell ,[object Object],[object Object],[object Object],[object Object]

Some Simple Commands ,[object Object],[object Object],[object Object],[object Object],[object Object]

The ls command ,[object Object],[object Object]

ls Command Line Options ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Moving Around in the File System ,[object Object],[object Object],[object Object],[object Object]

cd ,[object Object],[object Object],[object Object],[object Object]

Some more commands and command line options ,[object Object],[object Object],[object Object],[object Object]

Copying Files ,[object Object],[object Object],[object Object],[object Object],[object Object]

Another form of cp ,[object Object],[object Object],[object Object]

Deleting (removing) Files ,[object Object],[object Object],[object Object],[object Object],[object Object]

File attributes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

File Time Attributes ,[object Object],[object Object],[object Object],[object Object],[object Object]

Other filesystem and file commands ,[object Object],[object Object],[object Object],[object Object]

Shells Also known as: Unix Command Interpreter

Shell as a user interface ,[object Object],[object Object],[object Object],[object Object]

Running a Program ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Programs and Standard I/O Program Standard Input (STDIN) Standard Output (STDOUT) Standard Error (STDERR)

Unix Commands ,[object Object],[object Object],[object Object],[object Object]

Defaults for I/O ,[object Object],[object Object],[object Object],[object Object]

Terminating Standard Input ,[object Object],[object Object],[object Object],[object Object]

Popular Shells ,[object Object],[object Object],[object Object],[object Object]

Customization ,[object Object],[object Object],[object Object],[object Object],[object Object]

Startup files ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Wildcards (metacharacters) for filename abbreviation ,[object Object],[object Object],[object Object]

The special character * ,[object Object],[object Object],[object Object]

Understanding * ,[object Object],[object Object],[object Object],[object Object],[object Object]

* and ls ,[object Object],[object Object],[object Object],[object Object],[object Object]

Input Redirection ,[object Object],[object Object],[object Object]

Output Redirection ,[object Object],[object Object],[object Object]

How to tell the shell to redirect things ,[object Object],[object Object],[object Object]

Input redirection ,[object Object],[object Object],[object Object]

You can do both! ,[object Object],[object Object]

Pipes ,[object Object],[object Object],prog1 prog2 STDOUT STDIN

Asking for a pipe ,[object Object],[object Object],[object Object],[object Object]

Shell Variables ,[object Object],[object Object],[object Object],[object Object],[object Object]

Example Shell Variables sh / ksh / bash ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Displaying Shell Variables ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Setting Shell Variables ,[object Object],[object Object],[object Object],[object Object]

set command (shell builtin) ,[object Object],[object Object],[object Object]

The PATH ,[object Object],[object Object],[object Object],[object Object]

echo $PATH ,[object Object],[object Object],[object Object]

Job Control ,[object Object],[object Object],[object Object],[object Object],[object Object]

Background jobs ,[object Object],[object Object],[object Object],[object Object],[object Object]

Listing jobs ,[object Object],[object Object],[object Object],[object Object],[object Object]

Suspending and Killing the Foreground Job ,[object Object],[object Object],[object Object],[object Object],[object Object]

Quoting - the problem ,[object Object],[object Object],[object Object]

Quoting - the solution ,[object Object],[object Object],[object Object]

Quoting Exceptions ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Single quotes ,[object Object],[object Object],[object Object],[object Object],[object Object]

Backquotes are different! ,[object Object],[object Object],[object Object],[object Object],[object Object],new prompt!

Programming ,[object Object],[object Object],[object Object],[object Object],[object Object]

Using Unix

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