linux
![](https://staticfile.lddgo.net/img/linux-tool.png)
Linux Command Documentation
Linux command document query, you can query the man documents of all common linux commands. You can also query some built-in bash command / function documents.
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Cron Expression Evaluation
Cron expression calculation, online calculation of the execution plan time of cron (crontab) expression. Cron expression supports Linux style, cron4j style, quartz style and spring style.
![](https://staticfile.lddgo.net/img/tools/code-tool.png)
curl Commoand to Code
The online curl command to code tool supports the conversion of curl commands into java, golang, python, js, php, rust, dart and other programming language codes.
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Chmod Permission Generator Online
Online linux chmod permission generator, using a visual ui interface to generate read, write, and execute permissions for owners, groups, and other users, supporting the setting of SUID, SGID, and Sticky special permissions.