Please answer fast with the multiple choice answers only. Thanks a lot

9. The output of is dir* is a) all files in the current directory b) all files in the directory having filename starting with dir c) no filename is displayed d) erroneous 10. Which command is used for displaying contents of a file? a)cp b) rm c) cat d) mkdir 11. Which files will be displayed by the following command: cat file a) all files in the directory b) all files with filename containing Tile c) no files will be displayed d) a single file 12. To assign execute permission to the user (owner) for a file named file01.txt, which of the following command will be used? a) chmod ur file01.txt b) chmod usw file01.txt c) chmod u-x file01.txt d) chmod u+x file01.txt 13. A file named file01 should be readable, writable and executable only by the user owner). Which one of the following set of command will be used? a) chmod 700 file01 b) chmod 000 file01 c) chmod 477 file01 d) chmod 777 fill01 le 14. To remove the file named my document.brt, which one of the following commands will be used? a) rm myl document tot b) rm my document.txt c) rm dj rm my_document.tot 15. Which of the following symbols) can be used to redirect the output to a file or another program? d)1, and>