Here is the video version, if you prefer it:
To preface this: I personally always use Google to find the packages I need. Either I look for the package name on the distribution website or I am looking for specific packages I need to install for some purpose. I never used the commands that follow so far, but they are useful to know about.
To find a package you want to install, you can use the following command: (Shotts, 2019)
apt-cache search query
An example:
mislav@mislavovo-racunalo:~/Linux_folder$ apt-cache search zip
advancecomp - collection of recompression utilities
node-almond - minimal AMD API implementation for use in optimized browser builds
amanda-client - Advanced Maryland Automatic Network Disk Archiver (Client)
amanda-server - Advanced Maryland Automatic Network Disk Archiver (Server)
…
You get a list of packages related to your search query.
You can also use
apt search query
for the same purpose.
Hope you learned something useful!
References
Shotts, W. (2019). The Linux Command Line, Fifth Internet Edition. Retrieved from http://linuxcommand.org/tlcl.php. Page 199