System Commands, OPPE 1

September 2022 term, Set A

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Question 1

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Create a link named todo in the current directory that its source is /todo.txt such that the link should work after deleting and creating the file /todo.txt

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Create a link named `todo` in the current directory that its source is `/todo.txt` such that the link should work after deleting and creating the file `/todo.txt` Write a command to move the file (not directory) that has the extension `.jpg` or `.jpeg` in the current working directory to the directory named `photos` present in the current working directory. Create `photos` directory if it is not present in the current directory. Write a script to read an integer from standard input and check for the divisibility of 7 and print `YES <number> <remainder>` if it is divisible else print `NO <number> <remainder>` Replace the `<number>` with integer read from stdin and `<remainder>` with remainder when divided by 7.