up vote 33 down vote. The only place I come across octal literals these days is when dealing with the permission bits on files in Linux, which are normally represented as 3 octal digits, where each digit represents the permissions for the file owner, group and other users respectively.
1 The average age to stop swaddling baby is around 3 or 4 months of age.  Newborns are born with a startle reflex, called the Moro reflex, and most babies donât outgrow it until 4 or 5 months of age.
You can use a receiving blanket to swaddle your baby right away. But because of the risk of SIDS, you shouldn't use any soft objects or loose bedding while he's sleeping until he's at least a year old. After that, pediatricians have different opinions. Some say you can start using a blanket and a firm pillow. Others recommend that you wait until your child is 2, just to be safe, and use pajamas with feet or a sleep sack on cold nights in the meantime.