List any five DOS commands along with their usages and syntax.

DOS commands are typed in Command Prompt (still useful for troubleshooting). Internal = built-in (DIR, CLS); external = separate files (XCOPY, FORMAT).

1. DIR — list files:

DIR C:\Office

Shows files/folders. DIR /W wide view.

1. CD — change directory:

CD C:\Office\Letters

Moves into folder. CD.. goes up one level.

1. COPY — copy files:

COPY notes.txt D:\Backup

Copies single files; use XCOPY for folders.

1. DEL — delete files:

DEL old.txt

Deletes. DEL *.tmp deletes all tmp files — use carefully.

1. MD / RD — make/remove directory:

MD Reports
RD Reports

Creates then removes empty folder. RD /S removes with contents.

Bonus accepted: CLS (clear), TYPE (show text file), CHKDSK (disk check).