Removes (undefines) shell's internal variables.
| syntax: | unset pattern | |
|---|---|---|
| description: | Removes all variables whose name match pattern, unless they are read-only. 'unset *' thus effectively removes all variables unless they are read-only; this is a bad idea. It is not an error for nothing to be unset. | |
| arguments: | pattern | pattern defines the set of matching variable names. It can include wildcards ('*', and '?'). '*' matches any number of characters, and '?' matches any character at a given position. |
| options: | (none) | |
No Error Conditions defined
| 0 | Success |
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