1 .\" $NetBSD: crontab.1,v 1.6 2002/01/19 03:09:06 wiz Exp $
3 .\"/* Copyright 1988,1990,1993 by Paul Vixie
4 .\" * All rights reserved
6 .\" * Distribute freely, except: don't remove my name from the source or
7 .\" * documentation (don't take credit for my work), mark your changes (don't
8 .\" * get me blamed for your possible bugs), don't alter or remove this
9 .\" * notice. May be sold if buildable source is provided to buyer. No
10 .\" * warrantee of any kind, express or implied, is included with this
11 .\" * software; use at your own risk, responsibility for damages (if any) to
12 .\" * anyone resulting from the use of this software rests entirely with the
15 .\" * Send bug reports, bug fixes, enhancements, requests, flames, etc., and
16 .\" * I'll try to keep a version up to date. I can be reached as follows:
17 .\" * Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul
20 .\" Id: crontab.1,v 2.4 1993/12/31 10:47:33 vixie Exp
22 .TH CRONTAB 1 "29 December 1993"
25 crontab \- maintain crontab files for individual users (V3)
27 crontab [ -u user ] file
29 crontab [ -u user ] [ -l | -r | -e ]
32 is the program used to install, deinstall or list the tables
35 daemon in Vixie Cron. Each user can have their own crontab, and though
36 these are files in /var, they are not intended to be edited directly.
40 file exists, then you must be listed therein in order to be allowed to use
43 file does not exist but the
45 file does exist, then you must \fBnot\fR be listed in the
47 file in order to use this command. If neither of these files exists, then
48 depending on site-dependent configuration parameters, only the super user
49 will be allowed to use this command, or all users will be able to use this
52 The default maximum size for a crontab is 256 kilobytes, but this may be
53 changed for all users on the system by putting the desired maximum size
60 option is given, it specifies the name of the user whose crontab is to be
61 tweaked. If this option is not given,
63 examines "your" crontab, i.e., the crontab of the person executing the
68 and that if you are running inside of
70 you should always use the
72 option for safety's sake.
74 The first form of this command is used to install a new crontab from some
75 named file or standard input if the pseudo-filename ``-'' is given.
79 option causes the current crontab to be displayed on standard output.
83 option causes the current crontab to be removed.
87 option is used to edit the current crontab using the editor specified by
88 the \s-1VISUAL\s+1 or \s-1EDITOR\s+1 environment variables. After you exit
89 from the editor, the modified crontab will be installed automatically.
101 command conforms to IEEE Std1003.2-1992 (``POSIX''). This new command syntax
102 differs from previous versions of Vixie Cron, as well as from the classic
105 A fairly informative usage message appears if you run it with a bad command
109 Paul Vixie \*[Lt]paul@vix.com\*[Gt]