Ubuntu - apt-cache - Display details about a package

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.

apt-cache show [package name]

Example

apt-cache show sudo

returns:

Package: sudo
Architecture: amd64
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: 2508
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
Filename: pool/main/s/sudo/sudo_1.9.9-1ubuntu2.4_amd64.deb
Size: 820584
MD5sum: 47ba5a9120282af2f9d3ca5595199e05
SHA1: df437fbf2d018005da46b705d0b43ec6256de0ca
SHA256: 42638252009ddc23e707dda08fad948c85ed925f2df8fdc1e3d8353d61a920f3
SHA512: 848f5ba5ef22b3b10039bb9fc51bf2b0934630a44621086c25fae47ebd4f7ac8e3821546a633d76481d3c66d8b65edcafd06cb1bff5131fd83e0bbd51307f5f1
Homepage: https://www.sudo.ws/
Description-en: 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.
Description-md5: acd82d558698567df941afe9b1ac35df
Task: minimal, server-minimal
 
Package: sudo
Architecture: amd64
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: 2504
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
Filename: pool/main/s/sudo/sudo_1.9.9-1ubuntu2_amd64.deb
Size: 820274
MD5sum: 4b174daa855fb95bfa585df9eb2874b5
SHA1: 01d72e294955f0cf578b5344272846c38dd4031e
SHA256: 869d850758d9223f3f6d5d2e31e1d3151034f47cfdb3220357255d2f2b81747e
SHA512: be66dbad8cf34a2cf1c9a4120a403a4a312bce687dea7cf60c1bdb3b53bd4e6408b97d2d8d64531aa9a9144aa972260742c3210f73169bbf8e4920f283dbcb8e
Homepage: https://www.sudo.ws/
Description-en: 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.
Description-md5: acd82d558698567df941afe9b1ac35df
Task: minimal, server-minimal