How to get list of installed packages with installation date?
137726
Get the list of installed packages with install time, date and vendor details with dpkg-query command
81115
Find what packages are installed from a repository
31550
Get list of installed applications from Windows command line
116869
Is it possible to know from apt if the package was installed explicitly or as a dependency of another package?
52074
Getting details about a package before installing it?
112920
Where can I find out when I installed an app?
41631
How to get information about deb package archive?
9829
How do I show apt-get package management history via command line?
67802
How to get a list of files for a package I haven't installed yet?
9896
How do I get and modify the source code of packages installed through apt-get?
115838
List packages on an apt based system by installation date
22506
Is there a way to find out whether an updated program/package lands in the official Ubuntu release repositories?
69489
How do I figure out what package something is in without resorting to Google?
55386
Installed Package information, specifically Status
15281
How to get a complete list of all applications installed?
151411
How can I know if a virtual package is "installed" on a Debian system?
54696
Using apt-get how to check have installed latest version ?