第8次作业SSD2.doc

4.2.1 Lab: DOS Commands 4.2.2 Lab: Macros 4.2.3?Lab: Embedding Application Objects 4.3.3?Lab: Creating a Batch File Exercise 3 Question 1. DOS Commands In this section, you will interface with the operating system using DOS commands.For each of the following tasks, list the correct DOS command. Note: While it is not necessary to perform these tasks on a computer, the assignment is structured for each task to be completed in sequence; that is to say, a task may depend on the state created by previous tasks. Display the syntax and switches for the command dir. dir /w, dir /os, dir c:\ List all directories and files in C:\, pausing if the information scrolls off the display. dir | more List all directories and files in C:\ with a three-character file name beginning with W. dir W?? List all files in C:\ whose extension contains X and sort the results by size. dir *.*X* /o:s List all directories and files in C:\, redirecting the output to a file named ssd2.txt in directory C:\. dir c:\ssd2.txt List all directories and files in C:\, appending the output to ssd2.txt. dir c:\ssd2.txt In directory C:\, create a subdirectory called SSD2. md SSD2 Copy ssd2.txt to directory SSD2. copy ssd2.txt SSD2 Rename ssd2.txt in directory SSD2 as ssd2.bak. ren SSD2\ssd2.txt ssd2.bak Delete ssd2.txt. del ssd2.txt Remove directory SSD2. rmdir SSD2 Question 2. Batch File Creation In this section, you will interface with the operating system using DOS commands.For each of the following tasks, list the correct DOS command. Note: While it is not necessary to perform these tasks on a computer, the assignment is structured for each task to be completed in sequence; that is to say, a task may depend on the state created by previous tasks. Name the batch file EXDIR.BAT. edit EXDIR..BAT Include your name as a remark in EXDIR.BAT. Include the creation date as a remark in EXDIR.BAT. Include the function of EXDIR.BAT as a remark in EXDIR.BAT- redirects the output of dir C:\ to a file