Practical File

Topics: SQL, HTML, Database Pages: 36 (5158 words) Published: February 27, 2013
Information technology for managers

Practical File

Submitted for partial fulfillment for the award of the Degree of

master of business administration
(MBA 2012-2014)

Under the supervision of


Submitted by

Enrollment no. –

gitarattan international business school

(Affiliated to Guru Gobind Singh Indraprastha University )


Topics Page No.

1. MS-DOS 03 - 20
2. HTML 21 - 30
4. SQL 50 - 64


Disk operating System (DOS)

DOS was developed by Microsoft primarily as a single user operating system working on Personal Computers. From 1981 till now many versions starting from version 1.0 till 6.2 have been released. Each successive version had its enhancements aimed at improving the management of the computer resources available to the users.

DOS Commands

A DOS command helps you to give instruction to the operating system in Character User Interface (CUI) environment. Using DOS commands, you can perform various tasks, such as creating and managing files and folders and monitoring your system resources.

To create and manage files and folders, perform the following steps:

1. Click the Start button, and then select Run.
2. In the Run dialog box, type cmd in the Run box.
3. Click the OK button.

The Command Prompt window is displayed.


In the Command Prompt window, the command is given after the command prompt and the Enter key is pressed to execute the command.

As the drive displayed is the user directory, change the drive to D: drive by giving following command at the command prompt.



In the DOS, each disk is organized into directories. Each Directory holds file. The default directory is the Root Directory and contains the minimum DOS files.

The Root Directory cannot show more than 132 files in its directory listing.


/p : To view one screen of files at a time.

/w: Displays only five column of filenames and directories.

/b: Display only file and directory.

/l: Display all the information in lower case letters.

/a — stands for attributes that are given below.

/-h - Hidden ( or not hidden) files

s/-s- System ( or not systems) files

d/-d- Directory ( or not Directory) names

r/-r- Read only( or not read only) files


DIR *.txt : Display all the files with extension .txt

DIR D???.* : Display all the files starting with D and having less than or equal to four characters in the file name and any extension.

Here “?” And “*” are called “wild card character”.

“*” Stand for any number of the character

“?” Stands for nay one character.

Create Directory

MD or MKDIR command is used to make directory.

MD [drive:] [path] [directory name]


MKDIR [drive:] [path] [directory name]

To create a new directory names Tim under C: drive, give following command:

C:\>MD Tim or C:\>MKDIR Tim

Changing Directory

You can change your working directory by issuing the CD command.


CD [drive:] [directory name]


To make Tim as current directory, give following command:
C:\>CD Tim


Deleting Directory

RD command is used to remove a directory.

RD [drive:] [path]


To remove Tim directory from the C: drive, give the following command: C:\>RD Tim


Displaying Contents of a Directory

DIR command is used to display the contents of the directory.

DIR [drive:] [path] [/option]

/option stand for various options that can be used with DIR command which are displayed in...
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