Text Files: Creating, Editing & Mailing

• Tab
• Shift
• Ctrl
• Alt
• Esc
• Enter
• the arrow keys: ←, ↑, → and ↓

Question: Why are there so many useless keys?

Question: Why are there duplicate copies of many keys?

• login
• password
• directory structure
• home
• listing the files in your home directory
• logout

Question: Why is it important to keep a password for your account?

Question: There are many ways of guessing passwords. So how would you choose a password which is easy for you to remember and at the same time hard for anybody else to guess?

Question: Why is it important to logout after you have finished using the computer?

• Create a new file called Ragging.txt
• Write an original essay of 3000 (± 50) words on ragging in IIT
• Use the spell-check program aspell or ispell to check and correct spelling errors. It doesn't matter if your spellings are American or British.
• Check and correct the punctuation. Make sure every sentence begins with a capital letter.
• Save your essay in the file Ragging.txt
• Exit from the editor after saving the file
• Check the permissions on the file. Set the permissions so that only you can read the file and write on it. Make sure that nobody else can copy your file.
• Use the wc program to verify that your essay is well within the specified bounds.

Question: What happens if you don't "save" the file?

Question: How do you make sure that none of your friends can

1. read your file,
2. tamper with your file in any way, or
3. copy your file?

• compose a mail.
• Address it to your lab instructor
• Include a brief Subject
• Create a mailbody informing your lab instructor about the file Ragging.txt you have created
• Sign your name and entry number at the end
• include Ragging.txt as an attachment
• send the mail