crontab(5) — Linux manual page - man7.org
A crontab file contains instructions for the cron(8) daemon in the following simplified manner: "run this command at this time on this date". Each user can define their own crontab. Commands defined in any given crontab are executed under the user who owns that particular crontab.
crontab(1) — Linux manual page - man7.org
crontab [-u user] <file | -> crontab [-T] <file | -> crontab [-u user] <-l | -r | -e> [-i] [-s] crontab -n [ hostname] crontab -c crontab -V DESCRIPTION top Crontab is the program used to install a crontab table file , remove or list the existing tables used to serve the cron(8) daemon.
cron(8) — Linux manual page - man7.org
Cron searches /var/spool/cron for crontab files which are named after accounts in /etc/passwd; The found crontabs are loaded into the memory. Cron also searches for /etc/anacrontab and any files in the /etc/cron.d directory, which have a different format (see crontab(5) ).
crontab(1p) — Linux manual page - man7.org
The crontab utility shall create, replace, or edit a user's crontab entry; a crontab entry is a list of commands and the times at which they shall be executed. The new crontab entry can be input by specifying file or input from standard input if no file operand is specified, or by using an editor, if …
cronnext(1) — Linux manual page - man7.org
cronnext - time of next job cron will execute SYNOPSIS top cronnext [-i users] [-e users] [-s] [-a] [-t time] [-q time] [-j command] [-l] [-c] [-f] [-h] [-V] [file]... DESCRIPTION top Determine the time cron will execute the next job.
logrotate(8) — Linux manual page - man7.org
It allows automatic rotation, compression, removal, and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too large. Normally, logrotate is run as a daily cron job.
anacron(8) — Linux manual page - man7.org
Any informative messages generated by Anacron are sent to syslogd(8) or rsyslogd(8) under with facility set to cron and priority set to notice. Any error messages are sent with the priority error .
pmlogger.control(5) — Linux manual page - man7.org
The periodic execution of pmlogger_check(1) and pmlogger_daily(1) is controlled by either systemd(1) or cron(8). Typical crontab(5) entries are provided in $PCP_SYSCONF_DIR/pmlogger/crontab (unless installed by default …
ps(1) — Linux manual page - man7.org
Charles Blake cblake@bbn.com added multi-level sorting, the dirent-style library, the device name-to-number mmaped database, the approximate binary search directly on System.map, and many code and documentation cleanups.
vmstat(8) — Linux manual page - man7.org
VMSTAT(8) System Administration VMSTAT(8) NAME top vmstat - Report virtual memory statistics SYNOPSIS top vmstat [option...] [delay [count]] DESCRIPTION top vmstat reports information about processes, memory, paging, block IO, traps, disks and cpu activity.The first report produced gives averages since the last reboot.