ul: add page

[johncurcio]

• The page (if new), does not already exist in the repo.
• The page is in the correct platform directory (common/, linux/, etc.)
• The page has 8 or fewer examples.
• The PR title conforms to the recommended templates.
• The page follows the content guidelines.

[tldr-bot]

The build for this PR has failed with the following error(s):

pages/linux/ul.md:4: TLDR004 Command descriptions should end in a period
pages/linux/ul.md:6: TLDR104 Example descriptions should prefer infinitive tense (e.g. write) over present (e.g. writes) or gerund (e.g. writing)
pages/linux/ul.md:10: TLDR104 Example descriptions should prefer infinitive tense (e.g. write) over present (e.g. writes) or gerund (e.g. writing)

Please fix the error(s) and push again.

[andrik]

Hi @johncurcio

Thank you for your submission. Looks like linter founded some issues, would you please fix and push again?

[owenvoke]

LGTM!

[Aracki]

lgtm! Thanks @johncurcio for this one!

[schneiderl]

lgtm