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system
| Example: system | Process Control Functions |
Executes an operating system command.
int system( const char *string);
| string | The string that is passed to the resident operating system for execution. |
Return Values
If a command was successfully executed the command interpreter returns an adequate value; generally 0 indicates that the action performed by the command interpreter terminated with no errors.
A return value of -1 indicates an error, and global variable errno is set to one of the following errors:
| Value | Description |
| ENOENT | Command interpreter not found |
| ENOEXEC | Command interpreter is not executable |
| ENOMEM | Error allocating memory for the process |
| E2BIG | Argument list too big |
For system details, refer to your C language documentation.
