| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/dotcloud/docker/pkg/libcontainer | |
| github.com/dotcloud/docker/utils | |
| os/exec | Package exec runs external commands. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |