The 'head' command can only deal with the start of the file, not the end. If you want X number of lines at the end of the file then use the 'tail' command.
tail -5 filename
will list the last 5 lines of the contents of filename.
crontab -e
The chmod command. For it's usage, consult it's manual page with the... $ man chmod command....
You can make it the default option in the bootloader. Or you could reinstall the Windows bootloader, but it will not allow you to boot Linux without modification.
In Linux, you can configure a network card (it;s IP address, and if it is turned on or off) with the 'ifconfig' command.
ifconfig
If you're asking if it's possible to see more than one user in the who command, the answer is yes. The entire purpose of the command is to track logged in users. Now, the question is whether the permissions allow you to see other users or not.
ifconfig -a
In most cases Japanese language input support is available in Windows, Mac, and Linux. You just have to provide the Windows installation CD (Windows only). For Linux, you just have to install the appropriate input method engine (an example is iBus), then use it to add the appropriate language keyboard you wish to use. As far as switching display languages for the entire computer, with Windows you have to get a legitimate copy of Windows for the region of you want to use (e.g. Japanese Windows in this case), and with Linux you can set this option when you install it onto your computer or if your log-in screen allows, it will also allow you to change the display language for your session.
run the command: route -n You may need to be root (or use sudo) to run that command, or at least call its full path /sbin/route or /usr/sbin/route route --help will give you additional info, as will man route
In *nix systems(Linux, Mac OS X, BSD, etc.) you can use the 'mv' command, in Windows-based systems use the 'move' command. Both types of systems usually allow you to drag and drop (or cut and paste) in a graphical environment.
Yes usually a page layout dialog will allow the user to define the size and orientation of the page with margins etc all in option fields.
No. Linux, like Unix, is designed to be a multi-user system.