To show or see information about the given package(s) including its dependencies, installation and download size, sources the package is available from, the description of the packages content and much more.

• Works like apt-cache show but hide some details that people are less likely to care about (like the hashes).
• The full record is still available via apt-cache show of course.

apt show [package name]

apt show sudo

returns:

Package: sudo
Version: 1.9.9-1ubuntu2.4
Priority: important
Section: admin
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Sudo Maintainers <sudo@packages.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 2,568 kB
Depends: libaudit1 (>= 1:2.2.1), libc6 (>= 2.34), libpam0g (>= 0.99.7.1), libselinux1 (>= 3.1~), zlib1g (>= 1:1.2.0.2), libpam-modules, lsb-base
Conflicts: sudo-ldap
Replaces: sudo-ldap
Homepage: https://www.sudo.ws/
Task: minimal, server-minimal
Download-Size: 821 kB
APT-Manual-Installed: no
APT-Sources: http://je.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
Description: Provide limited super user privileges to specific users
 Sudo is a program designed to allow a sysadmin to give limited root
 privileges to users and log root activity.  The basic philosophy is to give
 as few privileges as possible but still allow people to get their work done.
 .
 This version is built with minimal shared library dependencies, use the
 sudo-ldap package instead if you need LDAP support for sudoers.
 
N: There is 1 additional record. Please use the '-a' switch to see it

apt show sudo -a

returns:

Package: sudo
Version: 1.9.9-1ubuntu2.4
Priority: important
Section: admin
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Sudo Maintainers <sudo@packages.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 2,568 kB
Depends: libaudit1 (>= 1:2.2.1), libc6 (>= 2.34), libpam0g (>= 0.99.7.1), libselinux1 (>= 3.1~), zlib1g (>= 1:1.2.0.2), libpam-modules, lsb-base
Conflicts: sudo-ldap
Replaces: sudo-ldap
Homepage: https://www.sudo.ws/
Task: minimal, server-minimal
Download-Size: 821 kB
APT-Manual-Installed: no
APT-Sources: http://je.archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages
Description: Provide limited super user privileges to specific users
 Sudo is a program designed to allow a sysadmin to give limited root
 privileges to users and log root activity.  The basic philosophy is to give
 as few privileges as possible but still allow people to get their work done.
 .
 This version is built with minimal shared library dependencies, use the
 sudo-ldap package instead if you need LDAP support for sudoers.
 
Package: sudo
Version: 1.9.9-1ubuntu2
Priority: important
Section: admin
Origin: Ubuntu
Maintainer: Ubuntu Developers <ubuntu-devel-discuss@lists.ubuntu.com>
Original-Maintainer: Sudo Maintainers <sudo@packages.debian.org>
Bugs: https://bugs.launchpad.net/ubuntu/+filebug
Installed-Size: 2,564 kB
Depends: libaudit1 (>= 1:2.2.1), libc6 (>= 2.34), libpam0g (>= 0.99.7.1), libselinux1 (>= 3.1~), zlib1g (>= 1:1.2.0.2), libpam-modules, lsb-base
Conflicts: sudo-ldap
Replaces: sudo-ldap
Homepage: https://www.sudo.ws/
Task: minimal, server-minimal
Download-Size: 820 kB
APT-Sources: http://je.archive.ubuntu.com/ubuntu jammy/main amd64 Packages
Description: Provide limited super user privileges to specific users
 Sudo is a program designed to allow a sysadmin to give limited root
 privileges to users and log root activity.  The basic philosophy is to give
 as few privileges as possible but still allow people to get their work done.
 .
 This version is built with minimal shared library dependencies, use the
 sudo-ldap package instead if you need LDAP support for sudoers.