(computer science) a directory that is listed in another directory

Usage examples of subdirectory.

But under Unix the highest level--the root--of the filesystem is always designated with the single character "/" and it always contains the same set of top-level directories: /usr /etc /var /bin /proc /boot /home /root /sbin /dev /lib /tmp and each of these directories typically has its own distinct structure of subdirectories.

For high-level security installations, however, you might want to additionally set directory permissions to all subdirectories and existing files, as shown in the following list, immediately after WindowsNT is installed.

Be sure to apply permissions to parent directories before applying permissions to subdirectories.

In windowsNT 4, the single user profile has been broken up into a number of subdirectories located below the \profiles directory.

As for the alphabetical series, Juana had evidently subdivided her clients' files into subdirectories governed by the first letter of each client's last name.

If he'd been alone, he would have accessed the subdirectories for D and T.

If the killer had erased files in those subdirectories as he'd earlier mentioned, the man would wonder why Buchanan was interested in those same groups of names.