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cron is a time-based job scheduler. A scheduled job is known as a cron job. Although typically used to automate system maintenance and administration it can be used to automate any task. cron is most suitable for scheduling repetitive tasks, as scheduling a one-time task can be accomplished via at.
The analysis highlights History, Cron expression and Overview as prominent areas in the source structure around Cron.
Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.
Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
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The extracted context around Cron shows recurring relationship patterns in the source. For example, Cron → Anacron, BSDs, GNU Project, ISC Cron, January, Linux, PAM, Paul Vixie, Red Hat, SELinux, Version, Vixie Another extracted example is Cron → ACM, August, Communications, Franta, Kurt Maly, MIPS, Though, Unix, Unix System, Unix-like. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
time crontab daemon system job user run version file must users used task unix also scheduling files command event list
TTTA extracted 52 structured relationships around Cron. Examples in this analysis include Cron → Developer → AT&T Bell Laboratories and Cron → Operating system → Unix and Unix-like, Plan 9, Inferno. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Cron | Developer | AT&T Bell Laboratories | 1.00 | infobox |
| Cron | Operating system | Unix and Unix-like, Plan 9, Inferno | 1.00 | infobox |
| Cron | Release | May 1975; 51 years ago (1975-05) | 1.00 | infobox |
| Cron | Type | Job scheduler | 1.00 | infobox |
| Cron | Written in | C | 1.00 | infobox |
| Cron | is a | time-based job scheduler | 0.90 | text |
| Cron | is a | mere pattern-matcher | 0.90 | text |
| first-weekday | instance of | as well as supporting additional expression features | 0.80 | text |
| last-day-of-month.Nonstandard predefined scheduling definitionsSome cron implementations support the following non-standard macros | instance of | as well as supporting additional expression features | 0.80 | text |
| PAM | instance of | adding features | 0.80 | text |
| SELinux support | instance of | adding features | 0.80 | text |
| predefined schedules | instance of | with future versions planned to incrementally add features | 0.80 | text |
The concept neighborhoods around Cron bring nearby vocabulary together. In this analysis, examples include Version, Crontab and Job. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For Cron, one of the stronger structural bridges in this analysis connects Cron with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around Cron to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Cron expression & Overview, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — Cron · EN edition · Analysis: TopicsToTalkAbout
