Halo (religious iconography) between the alternative terms in English is rather unclear. The oldest term in English is "glory", the only one available in the Middle Ages, but now largely obsolete. It came from the French "gloire" which has much the same range of meanings as "glory". "Gloriole" does not appear in this sense until 1844, being a modern invention, as a diminutive, in French also. "Halo" is first found in English in this sense in 1646 (nearly a century after the optical or astronomical sense). Both "halos" and "haloes" may be used as plural forms, and halo may be used as a
Bad command or file name were damaged or had illegal filenames. Later, the wording of the error message was changed for clarity. Windows NT displays the following error message instead (where "foo" is replaced by the word causing error): Some early Unix shells produced the equally cryptic "foo: no such file or directory" for the same reasons. Most modern shells produce an error message similar to "foo: command not found". Bad command or file name "Bad command or file name" is a common and confusing error message in MS-DOS and some other operating systems. COMMAND.COM, the primary user interface of MS-DOS, produces this error message