7.4. The concept of shell programs

The most popular shell among users of an IBM-compatible computer is the Norton Commander software package. Its main task is to perform the following operations:

• creating, copying, sending, renaming, deleting, searching for files and changing their attributes;
• displaying the directory tree and file characteristics that are included in its structure in a form that is convenient for perception by the user;
• creating, updating and unpacking archives (groups of compressed files);
• viewing text files;
• editing text files;
• execution of almost all DOS commands from its environment;
• launch programs;
• issuing information about computer resources;
• create and delete directories;
• support of intercomputer communication;
• email support via modem.

At the end of XX century. All over the world, MS-Windows 3.x graphic shell has become very popular, the advantages of which are that it facilitates the use of a computer and its graphical interface instead of typing complex commands from the keyboard allows you to select them with the mouse from the menu program in seconds. The Windows operating environment, which works in conjunction with the DOS OS, implements all the properties necessary for productive user work, including multi-tasking.

Norton Navigator Shell is a set of powerful programs designed to manage files and expand the possibilities of Windows. This program helps to save time on almost all operations: searching for files, copying and moving files, opening directories.