134 lines
4.2 KiB
Diff
134 lines
4.2 KiB
Diff
From: Christian Kastner <ckk@kvr.at>
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Date: Thu, 28 Jul 2011 11:07:40 +0200
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Subject: Manpage and typo fixes
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Correct some errors or clarify sections in the manpages; fix some typos
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---
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man/cron.8 | 43 ++++++++++++++++---------------------------
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man/crontab.1 | 2 +-
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man/crontab.5 | 2 +-
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src/cron.c | 2 +-
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4 files changed, 19 insertions(+), 30 deletions(-)
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--- a/man/cron.8
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+++ b/man/cron.8
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@@ -37,23 +37,15 @@
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.B -V
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.SH DESCRIPTION
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.I Cron
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-is started from
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-.I /etc/rc.d/init.d
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-or
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-.I /etc/init.d
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-when classical sysvinit scripts are used. In case systemd is enabled, then unit file is installed into
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-.I /lib/systemd/system/crond.service
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-and daemon is started by
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-.I systemctl start crond.service
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-command. It returns immediately, thus, there is no need to need to start it with
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-the '&' parameter.
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+is automatically started at boot time.
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.PP
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.I Cron
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searches
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.I /var/spool/cron
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-for crontab files which are named after accounts in
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-.I /etc/passwd;
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-The found crontabs are loaded into the memory.
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+for crontab files which are named after user accounts;
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+together with the system crontab
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+.IR /etc/crontab ,
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+the found crontabs are loaded into the memory.
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.I Cron
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also searches for
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any files in the
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@@ -71,12 +63,11 @@
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option.
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.PP
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There are two ways how changes in crontables are checked. The first
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-method is checking the modtime of a file. The second method is using the
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-inotify support. Using of inotify is logged in the
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-.I /var/log/cron
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-log after the daemon is started. The inotify support checks for changes
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-in all crontables and accesses the hard disk only when a change is
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-detected.
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+method is checking the modtime of a file. The second method
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+is using inotify support, which is only available on Linux.
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+When the daemon uses inotify, it logs this fact to syslog on startup.
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+The inotify support checks for changes in all crontables and accesses the
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+hard disk only when a change is detected.
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.PP
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When using the modtime option,
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.I Cron
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@@ -99,13 +90,8 @@
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.TP
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.IR /var/spool/cron
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directory that contains user crontables created by the
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-.IR crontab
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-command.
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-.PP
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-Note that the
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.BR crontab (1)
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-command updates the modtime of the spool directory whenever it changes a
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-crontab.
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+command.
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.PP
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.SS Daylight Saving Time and other time changes
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Local time changes of less than three hours, such as those caused by the
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@@ -153,7 +139,6 @@
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standard input and send it as a mail message to the recipients specified
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in the mail headers. Specifying the string
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.I "off"
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-(i.e., crond -m off)
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will disable the sending of mail.
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.TP
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.B "\-n"
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@@ -167,10 +152,14 @@
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.B "\-f"
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the same as -n, consistent with other crond implementations.
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.TP
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+.B "\-i"
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+Disables inotify support (if present)
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+.TP
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.B "\-p"
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Allows
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.I Cron
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-to accept any user set crontables.
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+to accept any user set crontables (read: lift owner, type and mode
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+restrictions)
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.TP
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.B "\-P"
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Don't set PATH. PATH is instead inherited from the environment.
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--- a/man/crontab.1
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+++ b/man/crontab.1
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@@ -109,7 +109,7 @@
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.IR /etc/cron.d/
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directory.
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.PP
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-The temporary directory can be set in an environment variable. If it is
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+The temporary directory can be set using the environment variable $TMPDIR. If it is
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not set by the user, the
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.I /tmp
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directory is used.
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--- a/man/crontab.5
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+++ b/man/crontab.5
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@@ -268,7 +268,7 @@
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# run at 2:15pm on the first of every month -- output mailed to paul
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15 14 1 * * $HOME/bin/monthly
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# run at 10 pm on weekdays, annoy Joe
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-0 22 * * 1-5 mail -s "It's 10pm" joe%Joe,%%Where are your kids?%
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+0 22 * * 1-5 mail \-s "It's 10pm" joe%Joe,%%Where are your kids?%
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23 0-23/2 * * * echo "run 23 minutes after midn, 2am, 4am ..., everyday"
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5 4 * * sun echo "run at 5 after 4 every sunday"
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.fi
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--- a/src/cron.c
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+++ b/src/cron.c
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@@ -179,7 +179,7 @@
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fprintf(stderr, "\n");
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fprintf(stderr, "Options:\n");
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fprintf(stderr, " -h print this message \n");
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- fprintf(stderr, " -i deamon runs without inotify support\n");
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+ fprintf(stderr, " -i daemon runs without inotify support\n");
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fprintf(stderr, " -m <comm> off, or specify preferred client for sending mails\n");
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fprintf(stderr, " -n run in foreground\n");
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fprintf(stderr, " -f run in foreground, the same as -n\n");
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