Get A Basic UNIX Tutorial PDF


By Byrd J.

This instructional contains fourteen sections, every one of which addresses a basic element of UNIX computing. It concentrates on illustrating the important thoughts by way of delivering brief motives, besides examples, and routines.

Show description

Read Online or Download A Basic UNIX Tutorial PDF

Similar c# books

Beginning CSharp Game Programming - download pdf or read online

Are you prepared to attempt your hand at programming video games utilizing C#? "Beginning C# video game Programming" is your excellent introductory guide—designed to jumpstart your event with C# and DirectX nine. It contains the elemental issues you’ll want to know and covers extra themes that you’ll locate necessary alongside the best way.

Jeff Kent's Visual C Sharp 2005 Demystified PDF

There’s no more uncomplicated, swifter, or more effective approach to research the fairly tricky subjects
Visual C# 2005 Demystified explains the language and its libraries and functions in addition to the best way to use the built-in improvement setting. This self-teaching consultant comes whole with key issues, history info, quizzes on the finish of every bankruptcy, or even a last examination. uncomplicated sufficient for novices yet demanding adequate for complex scholars, this can be a energetic and enjoyable brush-up, introductory textual content, or lecture room complement.

Beginning Windows Phone 7 development by Henry Lee PDF

Microsoft is injecting new power into the shrewdpermanent cell industry with the subtle home windows telephone 7. This new strength equates to new possibilities for you, the cellular developer. starting home windows telephone 7 improvement has been written in particular that will help you grab those possibilities and start developing functions for this interesting new cellular equipment platform.

Additional resources for A Basic UNIX Tutorial

Sample text

When you issue a command to the shell, the shell searches sequentially through each directory in the PATH list until it finds an executable program with the command name you typed. USER The USER variable contains your username. Any time you access a file or directory, the access permissions are checked against the value of USER. HOME The HOME variable contains the name of your home directory. When you issue the cd command with no directory argument, you will be placed in the directory defined in the HOME environment variable.

Feel free to create your own custom commands. # The command 'printers' is necessary for the proper functioning of the cwis # printer-choosing utility. The 'printers' program changes the line that # sets default printer queue in this file, and this file gets "run" again # to load the new value into the user environment. # The command 'more' is altered to call the more capable 'less' pager. Disable # this alias if you want to use the 'more' pager. # The command 'ls' is set up to identify executable # files with an * and directories with a /.

Quotas allow the system administrator to place limits on the amount of space the users can allocate. Quotas usually place restrictions on the amount of space, and the number of files, that a user can take. The limit can be a soft limit, where only a warning is generated, or a hard limit, where no further operations that create files will be allowed. The command quota will let you know if you're over your soft limit. Adding the -v option will provide statistics about your disk usage. File system related commands Here are some commands related to file system usage, and other topics discussed in this section: bdf On HP-UX systems, reports file system usage statistics df On HP-UX systems, reports on free disk blocks, and i-nodes du Summarizes disk usage in a specified directory hierarchy ln Creates a hard link (default), or a soft link (with -s option) mount, umount Attaches, or detaches, a file system (super user only) mkfs Constructs a new file system (super user only) fsck Evaluates the integrity of a file system (super user only) A brief tour of the Unix filesystem The actual locations and names of certain system configuration files will differ under different implementations of Unix.

Download PDF sample

Rated 4.12 of 5 – based on 37 votes