Update cheatsheets

linux/disown

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# disown
+
+> Allow sub-processes to live beyond the shell that they are attached to.
+> See also the `jobs` command.
+> More information: <https://www.gnu.org/software/bash/manual/bash.html#index-disown>.
+
+- Disown the current job:
+
+`disown`
+
+- Disown a specific job:
+
+`disown %{{job_number}}`
+
+- Disown all jobs:
+
+`disown -a`
+
+- Keep job (do not disown it), but mark it so that no future SIGHUP is received on shell exit:
+
+`disown -h %{{job_number}}`