ow do I check my bash shell version running on a Linux or Unix like operating systems? Many bash tutorial says that you need bash version 4.x or above. How do I find the version of bash I am running on macOS desktop or Ubuntu Linux server?
am a new Linux user. How do I remove directory in Linux using the command line or terminal applications?
ow do I mount a hard disk in FreeBSD unix using command line options?
How do I reboot a Solaris UNIX machine or server using the command / shell prompt?