Update cheatsheets

tldr/linux/col

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# col
+
+> Filter reverse line feeds from input.
+> More information: <https://manned.org/col>.
+
+- Filter reverse line feeds from input:
+
+`{{command}} | col`
+
+- Filter reverse line feeds and output with spaces instead of tabs:
+
+`{{command}} | col {{[-x|--spaces]}}`
+
+- Remove backspaces, output only the last character written to each position:
+
+`{{command}} | col {{[-b|--no-backspaces]}}`
+
+- Specify a buffer size with a specific number of lines:
+
+`{{command}} | col {{[-l|--lines]}} {{num}}`
+
+- Format a manual page for viewing with `less`:
+
+`man ls | col {{[-b|--no-backspaces]}} | less`
+
+- Process a file with reverse line feeds and save the cleaned output:
+
+`cat {{path/to/input_file}} | col {{[-x|--spaces]}} > {{output_file}}`

tldr/linux/gdisk

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# gdisk
+
+> GPT (GUID Partition Table) disk partitioning tool.
+> See also: `cfdisk`, `fdisk`, `parted`.
+> More information: <https://manned.org/gdisk>.
+
+- List partitions:
+
+`sudo gdisk {{[-l|--list]}}`
+
+- Start the interactive partition manipulator:
+
+`sudo gdisk {{/dev/sdX}}`
+
+- Open a help menu:
+
+`<?>`
+
+- Print the [p]artition table:
+
+`<p>`
+
+- Add a [n]ew partition:
+
+`<n>`
+
+- Select a partition to [d]elete:
+
+`<d>`
+
+- [w]rite table to disk and exit:
+
+`<w>`
+
+- [q]uit without saving changes:
+
+`<q>`

tldr/linux/lstopo-no-graphics

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lstopo-no-graphics
+
+> Manage and query hardware topology information.
+> More information: <https://manned.org/lstopo-no-graphics>.
+
+- Display the machine topology in a tree format:
+
+`lstopo-no-graphics`
+
+- Display only physical cores (ignore logical processors):
+
+`lstopo-no-graphics --only pu`
+
+- Display the topology with physical indexes:
+
+`lstopo-no-graphics {{[-p|--physical]}}`
+
+- Display help:
+
+`lstopo-no-graphics {{[-h|--help]}}`

tldr/linux/systemctl-reload-or-restart

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+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# systemctl reload-or-restart
+
+> Reload `systemd` unit(s) otherwise restart them.
+> More information: <https://www.freedesktop.org/software/systemd/man/systemctl.html#reload-or-restart%20PATTERN%E2%80%A6>.
+
+- Reload or restart a unit:
+
+`systemctl reload-or-restart {{unit}}`
+
+- Reload or restart multiple units matching a pattern:
+
+`systemctl reload-or-restart {{pattern}}`
+
+- Run the command without waiting for the operation to complete:
+
+`systemctl reload-or-restart {{unit}} --no-block`
+
+- Apply the command only to user units:
+
+`systemctl reload-or-restart {{unit}} --user`