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

Question: Are there any "useless" keys?

Question: Why are there duplicate copies of many keys?

• login
• password
• home
• 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?

• Login to the proxy.
• What is the name of the proxy to which you login?
• Learn to change your password
• Find out what proxy quota means.
• Find out your proxy quota.
• Find out what disk quota means.
• Find out your disk quota
• Find out what it means to be squished.

• Find out about the directory structure
• list all the files in your home directory (there are some even if you have never logged in).

• Create a new file called FirstWeek.txt
• Write an original essay of about 1000 (± 50) words on your experience 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.
• Save your essay in the file FirstWeek.txt
• Exit from the editor after saving the file
• Open the file again in the text editor and check and correct the essay. Make sure every sentence begins with a capital letter.
• 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.
• Save the file FirstWeek.txt again
• Exit from the editor after saving the file
• Use the wc program on the gnome-terminal to verify that your essay is within the word limit.

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 (Find out his/her IITD email-id)
• Include the Subject "CSL100: Ass1 -- My First Week in IIT Delhi"
• Create a mailbody informing your lab instructor about the file FirstWeek.txt you have created.
• Sign your name and entry number at the end.
• Attach your file FirstWeek.txt.
• send the mail.