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add documentation for the last command

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Ryan Blecher 2019-10-03 08:14:59 -04:00
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# last
Use `last` to retrieve the last "n" rows of a table. `last` has a required amount parameter that indicates how many rows you would like returned. If more than one row is returned, an index column will be included showing the row number. `last` does not alter the order the rows of the table.
## Examples
```shell
> ps | last 1
━━━━━┯━━━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━
pid │ name │ status │ cpu
─────┼─────────────┼─────────┼───────────────────
121 │ loginwindow │ Running │ 0.000000000000000
━━━━━┷━━━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━
```
```shell
> ps | last 5
━━━┯━━━━━┯━━━━━━━━━━━━━━━━┯━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━
# │ pid │ name │ status │ cpu
───┼─────┼────────────────┼─────────┼───────────────────
0 │ 360 │ CommCenter │ Running │ 0.000000000000000
1 │ 358 │ distnoted │ Running │ 0.000000000000000
2 │ 356 │ UserEventAgent │ Running │ 0.000000000000000
3 │ 354 │ cfprefsd │ Running │ 0.000000000000000
4 │ 121 │ loginwindow │ Running │ 0.000000000000000
━━━┷━━━━━┷━━━━━━━━━━━━━━━━┷━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━
```