1WALL(1) 386BSD Reference Manual WALL(1) 2 3NNAAMMEE 4 wwaallll - write a message to users 5 6SSYYNNOOPPSSIISS 7 wwaallll [_f_i_l_e] 8 9DDEESSCCRRIIPPTTIIOONN 10 WWaallll displays the contents of _f_i_l_e or, by default, its standard input, on 11 the terminals of all currently logged in users. 12 13 Only the super-user can write on the terminals of users who have chosen 14 to deny messages or are using a program which automatically denies 15 messages. 16 17SSEEEE AALLSSOO 18 mesg(1), talk(1), write(1), shutdown(8) 19 20HHIISSTTOORRYY 21 A wwaallll command appeared in Version 7 AT&T UNIX. 22 234th Berkeley Distribution April 23, 1991 1 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67