#46 Can't create and remove a directory named a.dir

[Anonymous]

bash$ mkdir a.dir
bash$ touch a.dir/whatever
touch: cannot touch `a.dir/whatever': no such file or directory
bash$ ls
a
bash$ dcl 'cre/dir [.a^.dir]'
bash$ touch a.dir/whatever
bash$ rm -rf a.dir
bash$ ls
a.dir
bash$ ls -R
.:
ls: cannot access a.dir: no such file or directory
a.dir
bash$
bash$ rmdir a.dir
rmdir: failed to remove `a.dir': no such file or directory
bash$
bash$ dcl 'dir'

Directory SYS$SYSDEVICE:[JOE]

a^.dir.DIR;1

Total of 1 file.
bash$