z/OS V1R9.0 UNIX System Services Command ... - Christian Grothoff

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mailx
MAIL Gives the pathname of the user’s mailbox file for purposes of incoming mail
notification.
MAILDIR
Gives the name of the directory where system mailboxes are stored. If this
is not set, the default is /usr/mail. The actual name of a user’s system
mailbox is derived in a system-dependent way by combining MAILDIR and
the user’s login name. For mailx to work properly, the MAILDIR directory
must exist.
MAILRC
Gives the name of your startup file. This cannot be changed inside mailx.
By default, MAILRC has the value $HOME/.mailrc. For more information
about startup files, see “Startup Files” on page 384.
MBOX Gives the name of your mbox (personal mailbox) file. Messages that have
been read but not saved elsewhere are saved here when you run quit (but
not when you run exit). The default is $HOME/mbox.
PAGER
Gives a command, possibly including options. mailx sends display output
through this command if the output is longer than the screen length given
by crt. The default value is more (see “more — Display files on a
page-by-page basis” on page 429 for more information on more).
SHELL
Gives a command, possibly with options. mailx assumes that this command
is a command interpreter. mailx invokes this command interpreter
whenever it is asked to run a system command (for example, through the !
command-mode command). The default is sh (see “sh — Invoke a shell” on
page 549 for more information on sh).
TERM Contains the name of the terminal type. This cannot be changed inside
mailx.
TZ This variable may determine the time zone used to calculate date and time
strings written in mailx. This cannot be changed inside mailx .
_UNIX03
For more information about the affect of _UNIX03 on this command, see
Appendix N, “UNIX shell commands changed for UNIX03,” on page 943.
VISUAL
Gives a command, possibly with options, that mailx invokes when using the
command-mode visual subcommand or the input mode ~v subcommand.
The default is vi (see “vi — Use the display-oriented interactive text editor”
on page 758 for more information on vi).
The HOME and LOGNAME variables must be set before you enter mailx.
Otherwise, mailx will not work properly. The TZ variables can only be set before
you enter mailx. If not set or set to null, a default time zone (″UTC0″) will be used.
These variables are usually set during shell login. (You can login with TSO/E
OMVS, telnet, rlogin, or ssh.) If you do not log in, you must set the variables in
some other way, using the commands:
export LOGNAME=name
export HOME=directory
The remaining variables can be set in the external environment or in the course of
a mailx session. You can set or change the value of a variable with the set
subcommand; you can discard a variable with the unset subcommand. You may
386 z/OS V1R9.0 UNIX System Services Command Reference