Instead of flagging a file with ‘D’, you can mark the file with
some other character (usually ‘*’). Most Dired commands to
operate on files use the files marked with ‘*’. The only command
that operates on flagged files is x, which deletes them. Here
are some commands for marking with ‘*’, for unmarking, and for
operating on marks. (See Dired Deletion, for commands to flag
and unflag files.) dired-mark). If the region is active, mark
all files in the region instead; otherwise, if a numeric
argument n is supplied, mark the next n files instead, starting
with the current file (if n is negative, mark the previous −n
files). dired-mark-executables). With a numeric argument, unmark
all those files. dired-mark-symlinks). With a numeric argument,
unmark all those files. dired-mark-directories). With a numeric
argument, unmark all those files. dired-unmark). If the region
is active, unmark all files in the region instead; otherwise, if
a numeric argument n is supplied, unmark the next n files
instead, starting with th