I have a flat file data.txt in Linux/Centos server which contains a list of files e.g.
# cat data.txt
/home/user/data/1
/home/user/data/2
/home/user/data/3
/home/user/data/4
/home/user/data/5
/home/user/data/6
how can I remove from data.txt all rows before
/home/user/data/4
to receive this result
# cat data.txt
/home/user/data/4
/home/user/data/5
/home/user/data/6