1. Assume you have a file called 'stuff.dat'. What command(s) would you use to remove all duplicate lines from the file?
2. You have a Windows formated file called 'notes.txt'. In Windows, newlines are marked with both (linefeed, LF) and (carriage return, CR), while in Unix/Linux/Mac OS X newlines are marked with just (and in older Mac OS versions, newlines are marked with just ). Give the tr command to remove all the characters from the file 'notes.txt'.
3. Give the tr command to replace all tabs in a file called 'stuff.dat' with spaces.

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To remove all duplicate lines from a file called stuffdat on a UnixLinux system you can use the sort ... View the full answer