May 22, 2021 DOS Command learning manual
dir [D:][PATH][NAME][[/A][:attrib]][/o:[sorted][/s][/l][/c[h]
(1) dir /a:attrib default contains all files (system files. I mplied file)
Attrib.
Only read-only or non-read-only files are displayed
Only system files or non-system files are displayed
Only files to be archived or non-archived are displayed
(2)/o.:) Sorted: By default, it is entirely alphabetical, with subdirections appearing before the file
/o(n/-n): displayed in alphabetical order or in reverse order of file names
e/-e: Alphabetical/reverse display by extension
d/-d: Displayed in chronological/reverse order
s/-s: Displayed from large to small or/in reverse by size
g/-g: Press subdirectdirected before file or file before subdirectdirect
(3)/s parameter: A list of all files in the current directory and its subdirectts
Column ir /s/a/o:n c:?gt;PRN
Print all subdirectts and files on the c disk as affiliation and in alphabetical order based on the subdirectdirects and files
(4) /B parameter: Only the file name and extension will be displayed
(5) /L parameter: All files or subdirectdirectations will be listed in lowercase letters
Training:
All files in the current directory of the dir /a column (implied and system files)
The dir /ah column implies a file (containing subdirectts (implied) dir /a-h
dir /as column system file dir /a-s
Dir /ad column subdirecte dir /a-d
dir /o in alphabetical order
Dir /B shows only the file name and extension
Application:
List all file directories and sub-files in a disk directory into one text file.
dir /s >> h:\dx.txt