How to delete lines efficiently in Vi and Vim

Vi and its enhanced version Vim (Vi Improved) are two ubiquitous text editors in the Unix and Linux worlds. These editors are well-regarded for their efficiency, especially when it comes to editing large files or working over slow network connections. While using Vi/Vim can be a bit challenging for beginners due to its mode-based operation, mastering these tools can significantly boost productivity. One common task while editing text files is deleting lines. In this guide, we will show you how to delete lines in Vi and Vim.

Source: FOSS Linux