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8 Linux GUIs: X and GNOME in .NET Maker GTIN-13 in .NET 8 Linux GUIs: X and GNOME




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290 8 Linux GUIs: X and GNOME using barcode creator for .net framework control to generate, create ean-13 image in .net framework applications. Planet 8. Run xwininfo f EAN/UCC-13 for .NET rom a terminal emulator window and answer these questions: a.

What does xwininfo do b. What does xwininfo give as the name of the window you clicked Does that agree with the name in the window s titlebar c. What is the size of the window In which units does xwininfo display this size What is the depth of a window d.

How can you get xwininfo to display the same information without having to click the window 9. Find and install xeyes (not tuxeyes). Write an xeyes command to display a window that is 600 pixels wide and 400 pixels tall, is located 200 pixels from the right edge of the screen and 300 pixels from the top of the screen, and contains orange eyes outlined in blue with red pupils.

(Hint: Refer to the xeyes man page.). The Bourne Again Shell In This Startup Files . . .

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. . 293 Redirecting Standard Error .

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. . 297 Writing a Simple Shell Script .

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300 Job Control. . .

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. 307 Manipulating the Directory Stack . .

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. 310 Parameters and Variables . .

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. 312 Processes . .

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. . 328 History .

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330 Reexecuting and Editing Commands . . .

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. . 332 Functions .

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. 349 Controlling bash: Features and Options . .

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. . 352 Processing the Command Line.

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This chapter pick VS .NET ean13+5 s up where 7 left off. 27 expands on this chapter, exploring control flow commands and more advanced aspects of programming the Bourne Again Shell (bash).

The bash home page is at www.gnu.org/software/bash.

The bash info page is a complete Bourne Again Shell reference.. C 9 hapter9 The Bourne Again visual .net EAN-13 Shell is a command interpreter and high-level programming language. As a command interpreter, it processes commands you enter on the command line in response to a prompt.

When you use the shell as a programming language, it processes commands stored in files called shell scripts. Like other languages, shells have variables and control flow commands (for example, for loops and if statements). When you use a shell as a command interpreter, you can customize the environment you work in.

You can make your prompt display the name of the working directory, create a function or an alias for cp that keeps it from overwriting certain kinds of files, take advantage of keyword variables to change aspects of how the shell works, and so on. You can also write shell scripts that do your bidding anything from a one-line. 292 9 The Bourne Again Shell script that store VS .NET GS1-13 s a long, complex command to a longer script that runs a set of reports, prints them, and mails you a reminder when the job is done. More complex shell scripts are themselves programs; they do not just run other programs.

27 has some examples of these types of scripts. Most system shell scripts are written to run under bash (or dash; see below). If you will ever work in recovery mode when you boot the system or perform system maintenance, administration, or repair work, for example it is a good idea to become familiar with this shell.

This chapter expands on the interactive features of the shell described in 7, explains how to create and run simple shell scripts, discusses job control, introduces the basic aspects of shell programming, talks about history and aliases, and describes command-line expansion. 27 presents some more challenging shell programming problems..

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