1. Write a command to change the permission (others can read, owner can write and group members can execute only) of all the files and directories within the directory XYZ.
2. Write a command to list all the installed packages with their version number, whose name conations a pattern "Linux". (0.75)
3. Write a command to display the disk usage of all the files and directories under directory TEST in human readable format. (0.75)
4. Write a command to search all the files in ending with .doc, whose does not contains a pattern "package” with line number before it. (1)
5. Write a command to search all the files in your parent directory whose name is starting from a number in between 9 to 10. (0.75)
6. Write a command to create the partition of your disk named is diskl.