Sz.exe -

-a : Converts Unix newlines to PC-DOS carriage returns and linefeeds (useful for text files).

While still available on most Linux distributions, sz is an older tool. For modern Windows environments using , some users prefer trzsz , which offers similar ZMODEM-like functionality with better support for modern terminal features. Dropped Z-MODEM support (and one alternative) #13 - GitHub sz.exe

-e : Escapes all control characters to prevent them from being interpreted by the terminal, which helps avoid "interrupted" transfers. -a : Converts Unix newlines to PC-DOS carriage