More commands

Question 1

How to update a timestamp of a file to the current time

Answer 1

touch

Question 2

How to update timestamp but prevent file from being accidentally created

Answer 2

touch -c

Question 3

update timestamp to a custom date

Answer 3

touch -d

Question 4

how to copy a file and preserve original owner

Answer 4

cp -p

Question 5

how to copy all things in a fuldore (flag

Answer 5

-r

Question 6

copy lots of stuff and preserve owners of folders, and preserve symbolic links as well

Answer 6

cp -a