grp.getgrnam(name) Return the group database entry for the given group name.

fcntl.ioctl(fd, request, arg=0, mutate_flag=True) This function is identical to the fcntl() function, except that

resource.prlimit(pid, resource[, limits]) Combines setrlimit() and getrlimit() in one function and

fcntl.lockf(fd, cmd, len=0, start=0, whence=0) This is essentially a wrapper around the fcntl() locking calls.

crypt.mksalt(method=None) Return a randomly generated salt of the specified method. If no method is given, the strongest

exception resource.error A deprecated alias of

Template.open(file, mode) Return a file-like object, open to file, but read from or written to by the pipeline. Note

pty.spawn(argv[, master_read[, stdin_read]]) Spawn a process, and connect its controlling terminal with the current process’s

Template.append(cmd, kind) Append a new action at the end. The cmd variable must be a valid bourne shell command. The

resource.getrlimit(resource) Returns a tuple (soft, hard) with the current soft and hard limits of resource