Most Mandarin varieties have four tones. The final stops of Middle Chinese have disappeared in most of these varieties, but some have merged them as a final glottal stop. Many Mandarin varieties, including the Beijing dialect, retain retroflex initial consonants, which have been lost in southern dialect groups.
explorer.exe is a system process that is needed for your PC to work properly. It should not be removed. Check your system now to identify unused processes that are slowing down your computer. The explorer.exe file is an executable file for Windows Explorer.
Remarks. The /target:exe option is in effect by default. The executable file will be created with the .exe extension. Use /target:winexe to create a Windows program executable. Unless otherwise specified with the /out option, the output file name takes the name of the input file that contains the Main method.