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s i s t e m a o p e r a c i o n a l m a g n u x l i n u x | ~/ · documentação · suporte · sobre |
4.6. Other InputsPrograms must ensure that all inputs are controlled; this is particularly difficult for setuid/setgid programs because they have so many such inputs. Other inputs programs must consider include the current directory, signals, memory maps (mmaps), System V IPC, and the umask (which determines the default permissions of newly-created files). Consider explicitly changing directories (using chdir(2)) to an appropriately fully named directory at program startup. |