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- What are the two ways that the Substitute User identity command can be invoked? Provide one example (i.e. write down the command) for each of these two.What are the two ways that the Substitute User identity command can be invoked? Give one example (i.e. write down the command) for each of these twoالسؤال What does the following command do? $ chmod ugo -w file01.txt الاجابات remove write permission to users, group and others remove write permission to the user (owner) only assign write permission to group and others assign write permission to users, group and others
- What are the two methods for using the Substitute User identity command?For each of these two, give one example (i.e. write out the command).Write a cron job that executes the command, sudo mysqldump --all-databases at 11:59 pm on Sunday every week of the month.Execute a command that undoes the previous deletion.
- Write the command that will locate all files that are owned by the user account "engr", that have the file extension/suffix of ".py", and will delete each of those files.The “find” command is running in the background. Write the command that will kill that process.Write and execute the command to retrieve the item ID, description, invoice number, and quoted price for all invoices in the ITEM_INVOICE VIEW for items with a quoted prices that exceed $100. I have been trying this solution and it is incorrect: SELECT i.item_id, i.description, l.invoice_num, l.quoted_priceFROM item iINNER JOIN invoice_line l ON i.item_id = l.item_idWHERE i.item_id IN ( SELECT item_id FROM item_invoice WHERE quoted_price > 100);