TYPES OF UTILITIES

some important utilities are given below :

1. TEXT EDITOR : This utility program is used for creating, editing text files. Using this program any text manner (generally in English like language) can be typed and saved on a disk file. This file can be edited, corrected and also retrieved any time etc. It supports special commands for text editing i.e. you can insert, delete, find, replace characters, lines and paragraphs etc.

2. BACKUP UTILITY : This program facilitates the backing up of disk. Back up means duplicating the disk information so that in case of any damage or data-loss, this backed up data may be used.The backed up data may be restored when needed i.e. if your original files are damaged or lost.

UTILITIES

Utilities are those application programs that assist the computer by performing  housekeeping functions like backing up disk or scanning/cleaning viruses or arranging information etc.

3. COMPRESSION UTILITY : This program facilitates compression of files. Large files can be compressed so that they take less storage area. when needed, these compressed files can be exploded back to their original form. By compression, the files are stored in a special format that takes less space. However, these compressed files cannot be directly used, they need to be exploded back to their original form before they can be worked upon.

4. DISK DEFRAGMENTER : This utility program attempts to minimise the fragmentation on your disk. A file is fragmented when it becomes too large for your computer to store in a single loaction on a disk. When this happen, your computer splits the file up and store it in a pieces. You can use framented files, but it takes your computer longer to access them.

5. ANTIVIRUS SOFTWARE : This utility program ensures virus-free work environment. A computer virus is a computer program that can inject other computer programs by modifying them in such a way as to include a copy of itself. A virus not only copies itself but also makes the computer system behave abnormally. For instance, unknown or unasked messages may get flashed or unwanted music gets played or unwanted graphical displays might occur