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+# add
+
+This command adds a column to any table output. The first parameter takes the heading, the second parameter takes the value for all the rows.
+
+## Examples
+
+```shell
+> ls | add is_on_a_computer yes_obviously
+━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━┯━━━━━━━━━━┯━━━━━━━━┯━━━━━━━━━━━┯━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━
+ # │ name                       │ type │ readonly │ size   │ accessed  │ modified  │ is_on_a_computer 
+───┼────────────────────────────┼──────┼──────────┼────────┼───────────┼───────────┼──────────────────
+ 0 │ zeusiscrazy.txt            │ File │          │ 556 B  │ a day ago │ a day ago │ yes_obviously 
+ 1 │ coww.txt                   │ File │          │  24 B  │ a day ago │ a day ago │ yes_obviously 
+ 2 │ randomweirdstuff.txt       │ File │          │ 197 B  │ a day ago │ a day ago │ yes_obviously 
+ 3 │ abaracadabra.txt           │ File │          │ 401 B  │ a day ago │ a day ago │ yes_obviously 
+ 4 │ youshouldeatmorecereal.txt │ File │          │ 768 B  │ a day ago │ a day ago │ yes_obviously 
+━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━┷━━━━━━━━━━┷━━━━━━━━┷━━━━━━━━━━━┷━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━
+```
+
+```shell
+> shells | add os linux_on_this_machine
+━━━┯━━━┯━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┯━━━━━━━━━━━━━━━━━━━━━━━
+ # │   │ name       │ path                           │ os 
+───┼───┼────────────┼────────────────────────────────┼───────────────────────
+ 0 │ X │ filesystem │ /home/shaurya/stuff/expr/stuff │ linux_on_this_machine 
+ 1 │   │ filesystem │ /                              │ linux_on_this_machine 
+━━━┷━━━┷━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┷━━━━━━━━━━━━━━━━━━━━━━━
+```