Basic File Operations

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Basic File Operations

• Ken Whitten
• Walter Lara
• Florida Community College

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Topics

• File Formats and Extensions
• File Associations
• PC Directory Structure
• Creating a New Folder
• Converting Files into HTML
• Uploading Files
• Compressed Files
• PKZIP and WinZip

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File Formats and Extensions

• Application programs automatically add a
  three-letter extension when you save a file.
• Note Pad defaults as text file (txt)
• Windows keeps tract of most file extension
  associations and maintains list of file
  extensions and associated programs.

• Common File Extensions
• .txt Notepad Text files
• .rtf Rich Text Format,
• .html Web page
• .gif Graphic file
• .jpg Graphic file, primarily photos
• .ppt PowerPoint files
• .xls Excel file
• .zip Compressed file

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Windows Explorer and File Associations

• Start, Programs, Windows Explorer or right click
  on Start
• Click View, then Folder Options (or Options)
• Click File Types tab
• Displays a list of registered file types
• Registered automatically when you install new
  software

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PC Directory Structures

• Large Hard Disk
• Holds thousands of files
• Need to be able to find files quickly
• Organize files in hierarchical file system
• Overall Structure
• Organized like upside-down tree
• Top of hierarchy is the root folder (directory)
• Below root directory are several branches
  corresponding to other folders
• Folders contain files and other folders

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View File Directory Structure
Windows Explorer
My Computer
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Creating a New Folder

• From My Computer
• Select location for new folder
• Click on drive
• Click on folder (if needed)
• Click File, New
• Click Folder
• Type name of folder
• From Windows Explorer
• Select location for new folder
• Click File, New
• Click Folder
• Type name of folder

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Converting Files to HTML

• Note Pad or Text Pad
• Word
• Excel
• MS Access
• Power Point
• Front Page 2000

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HTML Editors Microsoft Word
MS Word can be used to create a HTML document
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HTML Editors Microsoft Word
After typing your document, Save as Web Page
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.html
.pdf
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File to Adobe Acrobat

• Create a file in any program
• As soon as Adobe Acrobat Writer is installed in
  your computer all program will have the same
  print options
• Select File Print to Acrobat PDFWriter

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HTML using NotePad or TextPad

• After you create a New Folder name it
  public_html
• Choose a text editor
• Start/Programs/Accessories/NotePad
• TextPad (you must download)

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Raw HTML with Note Pad
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Save Where and Save as what?
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Compressed Files

• Saved in Special Format
• Makes file size smaller
• Conserves space
• Shortens upload time and download time
• Email attachment transfer faster
• Most common file extension is .zip
• Compressed files are called zip files
• Zip files contain one or more files
• Zip files are archives used for distributing
  and storing files
• Commonly used with WebCT

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Compression Programs

• PKZIP
• Zip file format was invented by Phil Katz
• File compression and decompression programs,
  PKZIP and PKUNZIP widely used today
• PKZIP can be download from http//www.tucows.com/
• Search software library for pkzip to go to
  download site

• WinZip
• Allows you to zip and unzip files
• WinZip Self Extractor
• Companion program that allows you to create
  self-extracting zipped files
• Evaluation copies can be downloaded from
  http//winzip.com/downhome.htm/

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Zipping Files using WinZip Wizard
After installing WinZip and selecting WinZip
Wizard interface
Step 1 select Create a new Zip file click
Next
Step 2 type new Zip file name click Next
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Zipping Files using WinZip Wizard
Step 4 click Zip Now to create the new Zip
file
Step 3 Add files to your Zip file - click
add files - select the files to add - click
OK
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Unzipping Files using WinZip Wizard

• Step 1 In the Select Activity panel
• Select Unzip or install from an existing Zip
  file
• Click Next
• Step 2 In the Select File panel
• Click on Zip file to unzip
• Click Next
• Step 3 In the Unzip panel
• Click Unzip Now
• The WinZip Wizard will open a Windows Explorer
  window showing the unzipped files

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Uploading (FTP) Files

• File Transfer Protocol
• One of several services built into the Internet
  suite of protocols
• Program for transferring files from one computer
  to another computer over the Internet
• FTP Software
• Called an FTP client
• Windows program that resides on your PC
• WS_FTP95 LE
• Popular FTP client
• Shareware

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FTPing with WS_FTP 95 LE

• Step 1
• Setting Session Properties
• Enter Profile Name
• Enter Host Name
• Enter User ID
• Enter Password
• Be sure Anonymous is not checked
• Be sure Save Pwd is checked

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FTPing with WS_FTP 95 LE

• Step 3
• Uploading Files
• Click local folder (directory)
• Click on public_html at remote site
• Click on file(s) at local site to upload
• Select file transfer mode
• ASCII mode to transfer plain-text files, html, or
  txt files
• Binary mode to transfer everything else