dos语句命令（DOS statement command）.doc

dos语句命令（DOS statement command） ()) MD-- creates subdirectories 1. function: create a new subdirectory 2. type: internal command 3. format: MD: letter of path name: sub directory name. 4. instructions for use: (1): [drive disk drive letter designation to the establishment of the directory. If omitted for the current drive, (2) path name: the higher directory name of the subdirectory to be built. If default, it is built in the current directory Example: (1) to create a subdirectory named FOX in the root directory of the C drive, (2) to create a USER directory in the FOX subdirectory. C:., MD (FOX FOX to create a sub directory on the current drive under the C drive) C:. MD FOX.USER (create the USER subdirectory in the FOX subdirectory) (two) CD-- changes the current directory 1. function: displays the current directory 2. type: internal command 3. format: CD: letter of the path name of sub directory name. 4. instructions for use: (1) if you omit the path and subdirectory name, the current directory is displayed, (2) if you use [CD. format, then go back to the root directory, (3) if [CD.. Is used, the format is returned to the higher level directory Example: (1) access to the USER subdirectory, (2) returns to the subdirectory from the USER subdirectory, and (3) returns to the root directory C:. CD FOX.USER (enter the USER subdirectory under the FOX subdirectory) C:.FOX.USER CD.. (return to the previous level root) C:.FOX CD. (returns to the root directory) C:. (three) RD-- delete subdirectories command 1. function: deletes the directory from the specified disk 2. type: internal command 3. format: RD: letter of the path name of sub directory name. 4. instructions for use: (1) sub directory must be empty before deleting it. That is the first to enter the directory. The use of DEL (deleted file command) the subdirectory files delete empty. Then return to the parent directory. Delete the directory itself with the RD command, (2) the root directory and the current direc