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Added «apt show» and example

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Kenneth John Odle 2026-08-24 09:58:02 -04:00
parent 1b7e6ca232
commit 21357a2932
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chapters/ch04-system.tex
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@ -90,4 +90,54 @@ qml-module-org-kde-okular/jammy 4:21.12.3-0ubuntu1 amd64
mobile support for Okular - QML modules mobile support for Okular - QML modules
\end{Verbatim} \end{Verbatim}
To get even more information, including dependencies, we can use:
\begin{Verbatim}[frame=single]
apt show <package>
\end{Verbatim}
Executing this command for Okular returns:
\begin{Verbatim}[breaklines=true]
Package: okular
Version: 4:21.12.3-0ubuntu1
Priority: extra
Section: universe/graphics
Origin: Ubuntu
Maintainer: Kubuntu Developers <kubuntu-devel@lists.ubuntu.com>
Original-Maintainer: Debian Qt/KDE Maintainers <debian-qt-kde@lists.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 16.4 MB
Provides: pdf-viewer, postscript-viewer
Depends: kinit, kio, libc6 (>= 2.35), libfreetype6 (>= 2.2.1), libjpeg8 (>= 8c), libkf5activities5 (>= 5.68.0~), libkf5archive5 (>= 5.68.0~), libkf5bookmarks5 (>= 5.68.0~), libkf5codecs5 (>= 4.96.0), libkf5completion5 (>= 5.68.0~), libkf5configcore5 (>= 5.68.0~), libkf5configgui5 (>= 5.68.0~), libkf5configwidgets5 (>= 5.81.0), libkf5coreaddons5 (>= 5.68.0~), libkf5crash5 (>= 5.68.0~), libkf5i18n5 (>= 5.68.0~), libkf5itemviews5 (>= 4.96.0), libkf5jobwidgets5 (>= 4.96.0), libkf5kexiv2-15.0.0 (>= 21.12.3~), libkf5kiocore5 (>= 5.68.0~), libkf5kiowidgets5 (>= 5.68.0~), libkf5parts5 (>= 5.68.0~), libkf5pty5 (>= 5.68.0~), libkf5purpose-bin, libkf5purpose5 (>= 5.68.0~), libkf5service-bin, libkf5service5 (>= 4.96.0), libkf5textwidgets5 (>= 5.68.0~), libkf5wallet-bin, libkf5wallet5 (>= 5.68.0~), libkf5widgetsaddons5 (>= 5.77.0), libkf5windowsystem5 (>= 5.68.0~), libkf5xmlgui5 (>= 5.79.0), libokular5core9 (= 4:21.12.3-0ubuntu1), libphonon4qt5-4 (>= 4:4.8.0), libpoppler-qt5-1 (>= 21.11.0), libqmobipocket2 (>= 4:21.12.3~), libqt5core5a (>= 5.15.1), libqt5dbus5 (>= 5.14.1), libqt5gui5 (>= 5.14.1) | libqt5gui5-gles (>= 5.14.1), libqt5printsupport5 (>= 5.13.0~), libqt5texttospeech5 (>= 5.12.0~), libqt5widgets5 (>= 5.15.1), libqt5xml5 (>= 5.13.0~), libspectre1 (>= 0.2.3), libstdc++6 (>= 11), phonon4qt5, zlib1g (>= 1:1.1.4)
Recommends: cups-bsd, okular-extra-backends, qtspeech5-flite-plugin
Suggests: ghostscript, okular-extra-backends (= 4:21.12.3-0ubuntu1), poppler-data, texlive-binaries, unrar
Breaks: kdegraphics-mobipocket (<< 4:4.12), okular-extra-backends (<< 4:16.12.0), okular-mobile (<< 4:17.04.1-0)
Replaces: okular-extra-backends (<< 4:16.12.0), okular-mobile (<< 4:17.04.1-0)
Homepage: https://apps.kde.org/en/okular
Task: kubuntu-desktop, kubuntu-full, ubuntustudio-desktop
Download-Size: 6,206 kB
APT-Sources: http://us.archive.ubuntu.com/ubuntu jammy/universe amd64 Packages
Description: universal document viewer
Okular is a universal document viewer with support for advanced document
features, such as annotations, forms, and embedded files.
.
This package provides the document viewer application, plus plugins for a wide
variety of document formats such as:
* PostScript (PS)
* Portable Document Format (PDF)
* TeX Device independent file format (DVI)
* XML Paper Specification (XPS)
* G3 fax
* various electronic book formats: ComicBook, FictionBook, and Plucker
.
Additional document formats are in the okular-extra-backends package.
.
The Calligra suite provides Okular plugins for OpenDocument formats that can
be found in the okular-backend-odt and okular-backend-odp packages.
.
This package is part of the KDE graphics module.
\end{Verbatim}
\ktcbox{I generally prefer to install software from the \texttt{apt} repository, but sometimes it does not have the most recent version. These tools allow me to quickly check which version the repo does have. If the version is acceptable, I can install from there, or if not, I can explore other options.} \ktcbox{I generally prefer to install software from the \texttt{apt} repository, but sometimes it does not have the most recent version. These tools allow me to quickly check which version the repo does have. If the version is acceptable, I can install from there, or if not, I can explore other options.}