Setting aside the question of directory traversal, you can configure your text editor to be a bit more private. With vim, you can use autocommands for dealing w

Setting aside the question of directory traversal, you can configure your text editor to be a bit more private. With vim, you can use autocommands for dealing with encrypted files, those in a certain directory (such as /keybase), etc.[0] In general though, whole disk encryption should deal with random copies, swap files, and the like. 0. https://vi.stackexchange.com/questions/6177/the-simplest-way-to-start-vim-in-private-mode?lq=1 https://vi.stackexchange.com/questions/6177/the-simplest-way...