Copy files from dir1 to dir2 without replacing the existing files on dir2
Copy files from dir1 to dir2 without replacing the existing files on dir2
[root@twenty ]# ls
dir1 dir2
[root@twenty ]# ls dir1
a b c d e f
[root@twenty ]# ls dir2
a b c
[root@twenty ]# yes n | cp -i dir1/* dir2 2>/dev/null
[root@twenty ]# ls dir1
a b c d e f
[root@twenty ]# ls dir2
a b c d e f
