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1988-11-15
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CRONTAB(1) UNIX 5.0 (30 March 1987) CRONTAB(1)
NAME
crontab - maintain crontab files for individual users
SYNOPSIS
crontab [ -u user ] { -l | -d | -r file | -a file }
DESCRIPTION
Crontab is the program used to install, deinstall, list, or
check the tables used to drive the crond(8) daemon in
Vixie's Cron. Each user has their own crontab, but though
these are files in /usr/spool, they are not readable or
writable by anyone or anything except the super-user or the
crond(8) or crontab programs.
If the -u option is given, it specifies the name of the user
whose crontab is to be tweaked. If this option is not
given, crontab examines "your" crontab, i.e., the crontab of
the person executing the command.
The -l option causes the current crontab to be displayed on
standard output.
The -d option causes the current crontab to be deleted.
The -r option is used to replace the current crontab (if
any) with the contents of the named file.
The -a option lets you "append" the contents of some file to
your crontab.
SEE ALSO
crontab(5), crond(8)
DIAGNOSTICS
Fairly informative usage message if you run it with a bad
command line.
AUTHOR
Paul Vixie
ucbvax!dual!ptsfa!vixie!paul
ptsfa!vixie!paul@ames.ARPA
Page 1 (printed 2/10/88)