1 .\"/* Copyright 1988,1990,1993 by Paul Vixie
2 .\" * All rights reserved
4 .\" * Distribute freely, except: don't remove my name from the source or
5 .\" * documentation (don't take credit for my work), mark your changes (don't
6 .\" * get me blamed for your possible bugs), don't alter or remove this
7 .\" * notice. May be sold if buildable source is provided to buyer. No
8 .\" * warrantee of any kind, express or implied, is included with this
9 .\" * software; use at your own risk, responsibility for damages (if any) to
10 .\" * anyone resulting from the use of this software rests entirely with the
13 .\" * Send bug reports, bug fixes, enhancements, requests, flames, etc., and
14 .\" * I'll try to keep a version up to date. I can be reached as follows:
15 .\" * Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul
25 .Nd maintain crontab files for individual users (V3)
39 is the program used to install, deinstall or list the tables
42 daemon in Vixie Cron. Each user can have their own crontab, and though
45 they are not intended to be edited directly.
49 file exists, then you must be listed therein in order to be allowed to use
52 file does not exist but the
54 file does exist, then you must
58 file in order to use this command. If neither of these files exists, then
59 depending on site-dependent configuration parameters, only the super user
60 will be allowed to use this command, or all users will be able to use this
63 The first form of this command is used to install a new crontab from some
64 named file or standard input if the pseudo-filename ``-'' is given.
66 The following options are available:
67 .Bl -tag -width indent
69 Specify the name of the user whose crontab is to be
70 tweaked. If this option is not given,
72 examines "your" crontab, i.e., the crontab of the person executing the
77 and that if you are running inside of
79 you should always use the
81 option for safety's sake.
83 Display the current crontab on standard output.
85 Remove the current crontab.
87 Edit the current crontab using the editor specified by
92 environment variables. After you exit
93 from the editor, the modified crontab will be installed automatically.
99 .Bl -tag -width /var/cron/allow -compact
100 .It Pa /var/cron/allow
101 .It Pa /var/cron/deny
108 This new command syntax
109 differs from previous versions of Vixie Cron, as well as from the classic
112 A fairly informative usage message appears if you run it with a bad command
115 .An Paul Vixie Aq paul@vix.com