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Chapter 7 - Copying, moving, renaming, and deleting files.

Chapter 7 - Copying, moving, renaming, and deleting files. we will discuss the basics of managing your files from the command line. COPYING FILES One of the most useful features of the modern PC is the ability to swiftly copy files from one location to another. Practically every computing device has the ability to copy files. The Windows operating system and the Command Prompt are no different. The basic command for copying files from the Command Prompt is the COPY command. If you wanted to use COPY to copy a file called test.txt to the root directory of a USB flash drive assigned the letter J: COPY test.txt J:\ The command will create a copy of test.txt in the root directory of the J drive. Like most Command Prompt commands, COPY assumes that you will be copying files from the working directory, and looks there first to find the filenames you specify. However, you can also use COPY with absolute file paths. If test.txt were in the Users directory of the C...

File attributes and NTFS permissions

Chapter 5 - File attributes and NTFS permissions We’ve already mentioned both file attributes and NTFS permissions throughout this book. In this chapter we’ll take a closer look at file attributes, and discuss how to view and change attributes from the command line. We’ll also examine NTFS permissions, which are considerably more powerful than file attributes, and discuss how to view and alter them as well. WHAT ARE FILE ATTRIBUTES? “File attributes” are basically pieces of metadata that contain additional information about the file. In Windows, files generally have their names, their types (defined by the file’s extension), and their timestamps. (Certain kinds of files, such as MP3 music files, have additional kinds of metadata, such as the album and artist name.) With file attributes, however, there are four additional pieces of information that you can add to a file. These four pieces of information are: -Archive,...

Construction of lead acid battery

Overview of lead acid battery It is the main overview of lead acid battery,working and construction. In lead acid battery there is a group of cells and in each cell there is one group of positive plates and one group of positive plates and one group of negative plates. The positive plates are made of lead peroxide (PbO2) and negative plate is made of spongy lead. Thus for identification the positive plate as the color of dark brown, whereas the negative plate as the color of light salty, Construction of lead acid battery In this topic we are discussing about the lead acid battery working , and construction . mainly construction you can watch the video Main parts of lead acid battery 1. Separator. It is most important part of lead acid battery. Which separate the positive and negative plates from each other and prevents the short circuit? The separators must be porous so that the electrolyte may circulate between the plates . The separators must have...

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