id,summary,reporter,owner,description,type,status,component,version,resolution,keywords,cc,guest,host 18117,vboxsf filesystem doesn't handle no extension file name,Arirang,,"I am using VirtualBox version 5.2.20. My virtual machine (Ubuntu Linux) is running Windows 10. I set up shared folders and it mounted with -t vboxsf on the Ubuntu. Here is error case with vboxsf filesystem: I created "".new.test1."" file but it created "".new.test1"" file. {{{ chwon@chwon-VirtualBox:~/sandbox/tmp$ echo ""hello"" > .new.test1. chwon@chwon-VirtualBox:~/sandbox/tmp$ ls -la total 5 drwxrwxrwx 1 chwon chwon 0 Nov 8 15:12 . drwxrwxrwx 1 chwon chwon 4096 Nov 8 15:11 .. -rwxrwxrwx 1 chwon chwon 6 Nov 8 15:12 .new.test1 chwon@chwon-VirtualBox:~/sandbox/tmp$ chwon@chwon-VirtualBox:~/sandbox/tmp$ ls .new.test1. ls: cannot access .new.test1.: No such file or directory chwon@chwon-VirtualBox:~/sandbox/tmp$ ls .new.test1 .new.test1 }}} I did same test on Linux ext4 filesystem. {{{ chwon@chwon-VirtualBox:~/tmp/test$ echo ""hello"" > .new.test1. chwon@chwon-VirtualBox:~/tmp/test$ ls -la total 12 drwxrwxr-x 2 chwon chwon 4096 Nov 8 15:28 . drwxrwxr-x 4 chwon chwon 4096 Nov 8 15:28 .. -rw-rw-r-- 1 chwon chwon 6 Nov 8 15:28 .new.test1. chwon@chwon-VirtualBox:~/tmp/test$ ls .new.test1. .new.test1. chwon@chwon-VirtualBox:~/tmp/test$ ls .new.test1 ls: cannot access .new.test1: No such file or directory }}} ",defect,new,shared folders,VirtualBox 5.2.20,,vboxsf,,Linux,Windows