1. The earliest Chinese characters for yin and yang are found in inscriptions made on âoracle bonesâ (skeletal remains of various animals used in ancient Chinese divination practices at least as early as the 14th century B.C.E.).
There is no general way to hide files in unix/linux in the dos sense. But.... 1. You can put files in a directory and then chmod 700 directory. Now only the owner of the directory can see the files. This is the closest thing to a correct answer to the question. 2. If the file name starts with a dot, it is treated specially by the shells and by ls.
File Shredding is an advanced way to secure unauthorized access of confidential data that has been deleted from your system. Actually, the delete operation in Windows only remove bits of information from files stored in hard disk. It is easy to retrieve those files using specialized file recovery software.uch action never wipes out the information from the hard disk. These files can be easily recovered by third party data recovery software. So, if you are trying to delete your important confidential files permanently, then usage of file eraser or shredder software is highly recommendable.