Command Schedulers

5 Best Free and Open Source GUI Command Schedulers

The software utility cron also known as cron job is a time-based job scheduler in Unix-like computer operating systems.

Users who set up and maintain software environments use cron to schedule jobs (commands or shell scripts) to run periodically at fixed times, dates, or intervals.

This software typically automates system maintenance or administration such as automating backups, cleaning disk space and other system maintenance tasks. It’s general purpose too making it good for things like downloading files from the Internet and downloading email at regular intervals.

Cron is most suitable for scheduling repetitive tasks. Scheduling one-time tasks can be accomplished using the associated at utility. For commands that need to be executed repeatedly (e.g., hourly, daily, or weekly), you can use the crontab command. The crontab command creates a crontab file containing commands and instructions for the cron daemon to execute.

Cron is a command line utility. Many users like using a graphical front-end. Here’s our recommendations. They are all free and open source goodness.

Best Free and Open Source GUI Command Schedulers

Let’s explore the GUI command schedulers at hand. For each application we have compiled its own portal page, a full description with an in-depth analysis of its features, a screenshot, together with links to relevant resources.

GUI Command Schedulers
KCronConfigure and schedule tasks
KTimerLittle tool to execute programs after some time
FcronQFcron GUI which uses the Python v3, Qt v4, and PyQt v4 frameworks
ZeitQt frontend to crontab and at
GNOME ScheduleGraphical front end for the ‘crontab’ and ‘at’ tools
Best Free and Open Source SoftwareRead our complete collection of recommended free and open source software. Our curated compilation covers all categories of software.

The software collection forms part of our series of informative articles for Linux enthusiasts. There are hundreds of in-depth reviews, open source alternatives to proprietary software from large corporations like Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk.

There are also fun things to try, hardware, free programming books and tutorials, and much more.
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