Displays list of commands or help about command(s) defined in pattern.
| syntax: | help [pattern] | |
|---|---|---|
| arguments: | pattern |
If pattern is specified, help gives detailed information on all commands
matching the pattern; otherwise a list of builtins is printed.
Pattern can contain wildcards ('*', and '?'). '*' matches any number of
characters, '?' matches any character at a given position. Thus, set*
matches both set, and setenv commands, while
e?? matches env, and any other 3-letter command starting
with e, but not echo. The return status is 0 unless no command matches pattern. |
| options: | (none) | |
No Error Conditions defined
| 0 | Success |
|---|---|
| any other | Error |
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