Dos:disk operating system, including core startup program and command program

help
1- Setting date ：date  Setup time ：time
2- edition ：ver  Clear the screen ：cls  List ：dir
3-format： format , Check the bad track of the disk ,, help “/？”
  fdisk ： Disk partition
  diskcopy: Disk copy
  chkdsk： Disk check command
4- Script ： The system configuration ：config.sys, Automatic batch processing ：autoexec.bat
5- Catalog ：cd   Build directory ：md  Delete directory ：rd, Delete the tree ：deltree
6- Delete file ：del  Change file name ：ren Display file contents ：type  ,copy  file name   conn   Show modified file ：attrib
7- Search path ：path
8- Copy file ：copy  Copy subdirectories ：xcopy
9- Disk management :

Timing task
>schtasks /query
Random access ：cacls
Terminal change ：change
Show change current directory ：cd (chdir)
Color setting ：color

echo： Turn echo off or on
exit: sign out
find Search the file for the specified text
find  "test"<c:\ >
sort Sort

see mac Address ：getmac
system information ：systeminfo

net Manage network services
net use     

Network connectivity
ping
pathping
ip