in grep command I can set max line to output with parameter -m. How I can specify max line in cat command ?

A client just called for a screen replacement enquiry. They have a MacBook Pro 13 A1706 2016 (touch bar) I would assume. Can't find one at other loca...

I'm using Mac OS X Lion 10.7.3 desktop. I don't know my sudo password so I'm unable to do sudo operations. How do I find my password or cha...

In most cases, the default accounting format in Excel is $ Without using some kind of macro Without changing timezone (or other system settings) of the co...

I have a number of high-capacity hard drives lying around as well as an old computer from around 2010 which has only 4GB of RAM. Is it possible to use thi...

Problem description: My PC refuses to boot to my SSD with Windows. This is a new PC that I just built. It gives the error "Reboot and Select proper Boot d...

We all use editing facilities to change a line of text as we are entering it. There are two principal editing modes within a line, a) "insert mode" which ...

I want to call it a "mouse nipple" or maybe a "joystick", although I know these are not correct. It's different from the touchpad, which is below the...

My PC's desktop speakers are periodically producing interference noises induced by my cellphone. Even if I move my phone away from the actual speaker...

When I try to Inspect Element using Chrome's Developer Console (using Right click → Inspect Element), I'm always presented with a User Agent swi...