am a new Linux or UNIX like operating system user. I just wanted to create a file called demo.txt and save & close it using vi text editor. How do I save a file using vi? How can I save the file in Unix?
How do I perform a simple and rather naive benchmark of the disks seek and transfer performance under FreeBSD operating system? How do I perform a simple measurement of the I/O read command overhead for my RAID-1 array under FreeBSD operating systems?
ow do I find out my Apache web server username under Linux operating system or CentOS Linux server using the command line?
How do run a a shell script with an AppleScript? How do I integrate shell scripts into AppleScript? How do I call a shell script called /path/to/chkhost.sh using an applescript?
Q. Under Linux I can use Ethtool and mii-tool, but they are not available under FreeBSD. How do I tell the port speed of the nic under FreeBSD operating system?
How do I install sar command under FreeBSD to collect, report, or save system activity information?
How do I change or set my hostname ( computer name ) under OpenBSD operating system?