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For example, if an image contains 10 colors but has a color palette of 256 entries (8-bit), pngcrush can be used to reduce the color palette to a 4-bit one and truncate the palette to 10 entries. pngcrush can also change the color type of the image. For a true-color image, changing the color type from 2 to 0 converts it to greyscale.
Color profile viewer on KDE Plasma 5, showing an ICC color profile. Linux color management has the same goal as the color management systems (CMS) for other operating systems, which is to achieve the best possible color reproduction throughout an imaging workflow from its source (camera, video, scanner, etc.), through imaging software (Digikam, darktable, RawTherapee, GIMP, Krita, Scribus, etc ...
Changes the permissions of a file or directory cp: Copies a file or directory dd: Copies and converts a file df: Shows disk free space on file systems dir: Is exactly like "ls -C -b". (Files are by default listed in columns and sorted vertically.) dircolors: Set up color for ls: install: Copies files and set attributes ln: Creates a link to a ...
As the new version, ncurses is a free and open-source software emulation of the System V Release 4.0 (SVr4) curses, which was an enhancement over the discontinued 4.4 BSD curses. [13] The XSI Curses standard issued by X/Open is explicitly and closely modeled on UNIX System V .
GDebi, a GTK-based tool sponsored for Ubuntu. (There is also a Qt version, available in the Ubuntu repositories as gdebi-kde.) apt-cdrom, a way to add a new CDROM to APT's list of available repositories (sources.lists). It is necessary to use apt-cdrom to add CDs to the APT system, it cannot be done by hand.
Curses-based programs often have a user interface that resembles a traditional graphical user interface, including 'widgets' such as text boxes and scrollable lists, rather than the command line interface (CLI) most commonly found on text-only devices. This can make them more user-friendly than a CLI-based program, while still being able to run ...
The text editor in DR DOS 3.31 through DR DOS 6.0, and the predecessor of EDIT. Proprietary: EDLIN: A command-line based line editor introduced with 86-DOS, and the default on MS-DOS prior to version 5 and is also available on MS-DOS 5.0 and Windows NT. Proprietary: ee Stands for Easy Editor, is part of the base system of FreeBSD, along with vi ...
Package metadata include package description, package version, and dependencies (other packages that need to be installed beforehand). Package managers are charged with the task of finding, installing, maintaining or uninstalling software packages upon the user's command. Typical functions of a package management system include: