I think you're talking about the FTP client here, not the server.
On the server, do something like ps -ef (or ps aux) and pipe to grep ftpd - for example on one of my linux systems I see that vsftpd is running. Then from the manual page for vsftpd.conf you'll see
Quote:
chroot_list_enable
If activated, you may provide a list of local users who are placed in a chroot() jail in their home directory upon login. The meaning is slightly different if chroot_local_user is set to YES. In this case, the list becomes a list of users which are NOT to be placed in a chroot() jail. By default, the file containing this list is /etc/vsftpd.chroot_list, but you may override this with the chroot_list_file setting.
Default: NO
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As I say, it's dependent on the FTP server in use - not the client.
Cheers
ZB
