Environment variables accessed by FTP

The following are environment variables that are referenced by FTP:
Table 1. Environment variables accessed by FTP
  Environment variable Command-type application Description
1 HOME FTP CLIENT Initialized by the system at login to a value equal to the path name of the user's home directory.
2 LANG FTP CLIENT Determines the locale category for native language, local customs, and coded character set in the absence of the LC_ALL and other LC_* environment variables (including LC_COLLATE, LC_CTYPE, LC_MESSAGES, LC_MONETARY, LC_NUMERIC, AND LC_TIME).
3 NLSPATH FTP CLIENT Contains a sequence of templates used by the catopen() function when it attempts to locate message catalogs. Each template consists of an optional prefix, one or more conversion specifications, a file name, and an optional suffix.
4 SHELL FTP CLIENT Sets the default shell used by make, vi, and other tools.