which command is used in vi to quit without saving changes?

What do the 1 and s stand for in the following permission indicators?

1rwxrw-rw-

srwxrwxrwx

What permissions are applied in the following permission indicator?

-rwxrw-r--

What permissions would be granted to file after running the following?

chmod 631 file

Starting with permissions--------,write two different commands (one based on numbers, and one based on letters)to give permissions rw-r--r-x.

what would you expect to find in the exports configuration file?

write a command that will find all filenames that begin with file in the current user's home folder,and ask the user to display the contents to the screen?

which command is used to change the ownership of a file to another user, and who has the rights to do this?

write the command to copy a file to the parent directory of the current folder?

which key is used to return to the command mode from input mode in vi?

write two commands to find files in any user's home directory that includes the word"scrap" (even as part of another word ,for example"scrap", or with uppercase characters,for example "scrap") in the filename.