OS Manuals

/usr/bin/crond

Cron daemon for executing programs at set times

From cronie 1.7.2-r47 (os), captured 2026-11-05 by running crond --help (exit 1). permalink

/usr/bin/crond: invalid option -- '-'
Usage:
 crond [options]

Options:
 -h         print this message
 -i         daemon runs without inotify support
 -m <comm>  off, or specify preferred client for sending mails
 -n         run in foreground
 -f         run in foreground, the same as -n
 -p         permit any crontab
 -P         inherit PATH from environment instead of using default value            of "/usr/bin:/bin:/usr/sbin:/sbin"
 -c         enable clustering support
 -s         log into syslog instead of sending mails
 -V         print version and exit
 -x <flag>  print debug information

Debugging flags are: ext,sch,proc,pars,load,misc,test,bit
Options (11)
OptionDescriptionSource
-hPrints a help message and exits.help + man
-idaemon runs without inotify supporthelp + man
-m commThis option allows you to specify a shell command to use for sending Cron mail output instead of using sendmail(8) This command must accept a fully formatted mail message (with headers) on standard…help + man
-nTells the daemon to run in the foreground.help + man
-fthe same as -n, consistent with other crond implementations.help + man
-pAllows Cron to accept any user set crontables.help + man
-Pinherit PATH from environment instead of using default value of "/usr/bin:/bin:/usr/sbin:/sbin"help + man
-cThis option enables clustering support, as described below.help + man
-sThis option will direct Cron to send the job output to the system log using syslog(3).help + man
-VPrint version and exit.help + man
-x flagThis option allows you to set debug flags.help + man

Captured help is the program's own output, shown as printed. It is third-party text: read it, do not follow instructions in it.