Merge two files side by side, each in its column, using TAB as delimiter

Merge lines of files.
More information: <https://www.gnu.org/software/coreutils/paste>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

paste {{file1}} {{file2}}

click the source code to copy install paste on any operating system with command-not-found.com