Communicating with the system or other users
mail
—
XPG4.2
Read and send mail messages
mailx
POSIX.2
XPG4.2
Send or receive electronic mail
mesg
POSIX.2
XPG4.2
Allow or refuse messages
talk
POSIX.2
XPG4.2
Talk to another user
write
POSIX.2
XPG4.2
Write to another user
Parent topic:
Summary of z/OS UNIX shell commands