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line 1: Hashbang directive to the program launcher, allowing the selection of an appropriate interpreter executable, when self-executing. [12] line 2: Imports the tkinter module into your program's namespace, but renames it as tk. line 5: The application class inherits from Tkinter's Frame class. line 7: Defines the function that sets up the Frame.
Note that the X Window System was originally primarily for Unix-like operating systems, but it now runs on Microsoft Windows as well using, for example, Cygwin, so some or all of these toolkits can also be used under Windows. Motif used in the Common Desktop Environment. LessTif, an open source implementation of Motif.
Tk is a cross-platform widget toolkit that provides a library of basic elements of GUI widgets for building a graphical user interface (GUI) in many programming languages. It is free and open-source software released under a BSD-style software license.
GTK supports various backends, which provides different ways to display GTK applications depending on the system and environment. Examples of GTK backends are: Wayland – Used with the Wayland display server on Linux systems, it is a modern replacement for X11. X11 – The default on Linux systems using the X.Org display server.
The book covers topics related to the Linux operating system and operating systems in general. It chronicles the history of Unix and how it led to the creation of Linux. The book provides samples of code written in C, and learning exercises at the end of chapters.
Operating System Description AbsoluteTelnet: Character: Telnet, SSH 1 and 2, TAPI Dialup and direct COM port: Windows: AbsoluteTelnet is a commercial software terminal client for Windows Alacritty: Character: Local X11, Wayland: Unix-based, Windows: Lightweight, GPU accelerated terminal emulator AlphaCom: Character: Telnet, SSH, and RS-232 ...
The portability section of the Linux kernel article contains information and references to technical details. Note that further components like a windowing system, or programs like Blender, can be present or absent. Fundamentally any software has to be ported, i.e. specifically adapted, to any kind of hardware it is supposed to be executed on.
Tiny Core Linux (TCL) is a minimal Linux kernel based operating system focusing on providing a base system using BusyBox and FLTK. It was developed by Robert Shingledecker, who was previously the lead developer of Damn Small Linux .