sixel - SIXEL format
SIXEL is a bitmap graphics format for terminals and printers introduced
by Digital Equipment Corp. (DEC).
Its data scheme is represented as a terminal-friendly escape sequence.
So if you want to show a SIXEL image file, all you have to do is "cat"
it to your terminal.
Several of DEC VT series, VT240/VT241/VT330/VT340/VT282/VT284/VT286/VT382
RLogin (Japanese terminal emulator)
tanasinn (Works with firefox)
mlterm (Works on each of X, win32/cygwin and framebuffer version)
XTerm (configured with --enable-sixel-graphics and lanuched with "-ti 340" option)
yaft / yaftx (Works on framebuffer / X11 environment)
Kermit for DOS
.LP All About SIXELs, Sep 29, 1990:
ftp://ftp.cs.utk.edu/pub/shuford/terminal/all_about_sixels.txt .LP Displaying Sixel Image Files, 2014: