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

If you require help, contact SupportPRO Server Admin