: You must have a compatible Japanese font installed and active in your terminal emulator (e.g., Noto Sans Mono CJK JP Monaco for Powerline bbs.archlinux.org Critical Known Issues How to install Japanese font for cmatrix - Ask Ubuntu
cat jp_chars.txt | cmatrix -u 4
Install the "Terminal" plugin or use the built-in integrated terminal. Set the editor's font to Noto Sans Mono CJK JP and run cmatrix -u 3 . You now have a coding environment that looks like the Nebuchadnezzar’s mainframe. cmatrix japanese font