Reminders

There is a registry setting named FlipFlopWheel that does this! HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\HID\X\Y\Device Parameters . There might be multiple mouse entries. The default value for FlipFlopWheel should already ready 0. Change into 1 to invert scrolling. Reboot or possibly replug in mouse for changes to take effect. To find what X and Y are, goto Control Panel > Mouse > Hardware Select the HID-compliant mouse and click on Properties. Go to Details TAB and under Property drop-down menu, click on "Device Instance Path".

In a file with a similar content shown below, one can remove certain columns based on the delimiters. aaa:123:sometext1:name1:zz bbbbbbb:44457:sometext2:name2:yy2 ccccc:783456:sometext3:name3:xx3 If, for example, one wants to remove the part sometext# in each line, use the following command cut -d: -f1,2,4,5 filename : is the delimiting character. filename is the name of the file that contains the text (duh!!) If the delimiter is space , such as the following bb1 457 sometext2 name2 yy2 use the following command: cut -d' ' -f1,2,4,5 filename