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.
Short answer: 64 bytes. Long answer: in Linux, the hostname is stored in the nodename field of the utsname structure for the current namespace. For all versions of Linux that I am aware of (say, since 1994 or so) the length of that field is 65 bytes (meaning, 64 chars terminated by a 0). 1.