I am fortunate in that I have been able to learn from the mistakes of others, and have yet to lose any vital data personally. (Even after the odd ill conceived "rm -rf *" here and there)
Sounds familiar
Many years ago we attempted to delete a series of Unix files with embedded spaces in them. "rm -rf * *.*" (with a space between the first and second asterisk) wasnt the worlds best move!
Ex <n>ildram , been to SKY MAX - 15,225 Download
BE Unlimited - 21,000 Download 1,200 Upload ON THE LINE THAT SKY COULD ONLY PROVIDE 15,255 DOWN AND 800 UP ON!!!,
Moved house, now BE Unlimited 6,500 Down, 1Mb/s up - gutted!
FTTC Cab installation commenced 12th April - expect full 80 / 20 - bye bye BE, hello BT Infinity soon!