.SYS

.SYS file extension

This is the basic program to work with .SYS extension

Notepad++

Notepad++ Notepad++ Document

Notepad++ is a free source code editor and Notepad replacement. It supports around 80 programming languages with syntax highlighting and code folding. It allows working with multiple open files in a single window, thanks to its tabbed editing interface... (more)

The program works with the following extensions: js, sys, htm, ini, log, nfo, xml, css, dat, php, html, c, m, h, as, cs, fx, sh, me, mx, rc, py, nt, vb, pl, tex, vbs, unk, asc, lzx, gcm, cpp, ses, nsi, jsp, f90, cxx, cmd, f95, mfp, hpp, hxx, inc, inl, scp, bsh, wtx, mak, bas, nsh, diz, for, ctp, pas, cfg, sql, java, conf, phtml, readme, htaccess and xevgenxml