DOS 命令DIR参数
dir的排序方式参数g表示按目录在前文件在后的顺序显示。
那么g代表什么英文字母？
[解决办法]
G 组目录优先
是不是Group，组的意思？
[解决办法]
sortorder N By name (alphabetic) S By size (smallest first)
E By extension (alphabetic) D By date/time (oldest first)
G Group directories first - Prefix to reverse order
>dir /?Displays a list of files and subdirectories in a directory.DIR [drive:][path][filename] [/A[[:]attributes]] [/B] [/C] [/D] [/L] [/N] [/O[[:]sortorder]] [/P] [/Q] [/R] [/S] [/T[[:]timefield]] [/W] [/X] [/4] [drive:][path][filename] Specifies drive, directory, and/or files to list. /A Displays files with specified attributes. attributes D Directories R Read-only files H Hidden files A Files ready for archiving S System files I Not content indexed files L Reparse Points - Prefix meaning not /B Uses bare format (no heading information or summary). /C Display the thousand separator in file sizes. This is the default. Use /-C to disable display of separator. /D Same as wide but files are list sorted by column. /L Uses lowercase. /N New long list format where filenames are on the far right. /O List by files in sorted order. sortorder N By name (alphabetic) S By size (smallest first) E By extension (alphabetic) D By date/time (oldest first) G Group directories first - Prefix to reverse order /P Pauses after each screenful of information. /Q Display the owner of the file. /R Display alternate data streams of the file. /S Displays files in specified directory and all subdirectories. /T Controls which time field displayed or used for sorting timefield C Creation A Last Access W Last Written /W Uses wide list format. /X This displays the short names generated for non-8dot3 file names. The format is that of /N with the short name inserted before the long name. If no short name is present, blanks are displayed in its place. /4 Displays four-digit yearsSwitches may be preset in the DIRCMD environment variable. Overridepreset switches by prefixing any switch with - (hyphen)--for example, /-W.
