The most common ways cats are exposed to marijuana is by inhaling smoke or ingesting dried marijuana. Although people who have experimented with smoking catnip became happy and relaxed, cats should not be forced to smoke any substance.
File names in Linux were 14 bytes long in earlier Unix version. But The modern Linux system has 255 bytes for file names. As a character requires 1 byte, The length becomes 255 characters. Also the folders are treated as files in Linux system.
I've done some experiments (using ProcessStartInfo in c#) and it seems that the 'arguments' string for a commandline command is limited to 2048 characters in XP and 32768 characters in Win7. I'm not sure what the 8191 limit refers to, but I haven't found any evidence of it yet.