projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 21836db6 C |
1 | .TH DATE 1 "1 April 1983" |
| 2 | .UC 4 | |
| 3 | .SH NAME | |
| 4 | date \- print and set the date | |
| 5 | .SH SYNOPSIS | |
| 6 | .B date | |
| 7 | .RB "[ -u ] [ yymmddhhmm [ " . "ss ] ]" | |
| 8 | .SH DESCRIPTION | |
| 9 | If no arguments are given, the current date and time are printed. | |
| 10 | If a date is specified, the current date is set. | |
| 11 | The | |
| 12 | .I -u | |
| 13 | flag is used to display the date in GMT (universal) time. | |
| 14 | This flag may also be used to set GMT time. | |
| 15 | .I yy | |
| 16 | is the last two digits of the year; | |
| 17 | the first | |
| 18 | .I mm | |
| 19 | is the month number; | |
| 20 | .I dd | |
| 21 | is the day number in the month; | |
| 22 | .I hh | |
| 23 | is the hour number (24 hour system); | |
| 24 | the second | |
| 25 | .I mm | |
| 26 | is the minute number; | |
| 27 | .BI . ss | |
| 28 | is optional and is the seconds. | |
| 29 | For example: | |
| 30 | .IP | |
| 31 | date 10080045 | |
| 32 | .PP | |
| 33 | sets the date to Oct 8, 12:45 AM. | |
| 34 | The year, month and day may be omitted, the current | |
| 35 | values being the defaults. | |
| 36 | The system operates in GMT. | |
| 37 | .I Date | |
| 38 | takes care of the conversion to and from | |
| 39 | local standard and daylight time. | |
| 40 | .SH FILES | |
| 41 | /usr/adm/wtmp to record time-setting | |
| 42 | .SH SEE ALSO | |
| 43 | utmp(5) | |
| 44 | .SH DIAGNOSTICS | |
| 45 | `Failed to set date: Not owner' if you try to change the date | |
| 46 | but are not the super-user. | |
| 47 | .SH BUGS | |
| 48 | The system attempts to keep the date in a format closely compatible | |
| 49 | with VMS. VMS, however, uses local time (rather than GMT) and does | |
| 50 | not understand daylight savings time. Thus if you use both UNIX | |
| 51 | and VMS, VMS will be running on GMT. |