Most of the search commands only read plain text files and not PDFs. To search PDF files from the terminal, you can use pdfgrep. Learn about pdfgrep here.
LibreOffice and WPS Office are two common MS Office alternatives for Linux. We take a look here at both and see which is more suited for your Linux desktop.
Trello is available for most platforms, except for Linux. If you are a Linux user, this unofficial client will allow you to access Trello from the desktop. Check it out!
You can record a terminal session with any screen recording program, but Showterm for Linux makes it very easy to record and embed on a site. Here’s how it works.