•host — Host facts

•host name gives the host fact called name.

Name	Gives
"args"	The arguments after the program on the command line, as a vector of strings. bpl prog.bpl a b gives "a" "b"
"version"	BPL’s version
"env"	The environment variables, as a record of strings
"width"	The width of the terminal that output goes to, or ⍬ without one
"height"	The height in lines of the terminal that output goes to, or ⍬ without one
"cwd"	The working directory
"temp"	The directory for temporary files

Errors: DOMAIN for any other name.