Commodore PC 20 - Page 145

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More About Files and Directories 71
A path name may contain any number of directory names up
to a total length of 63 characters. If a pathname begins with a
backslash,
MS· DOS searches for the file beginning at the root of the
directory system. Otherwise, it begins at the working directory
and searches along the path from there. Here are two examples:
The path name of Emily's sales. may file is:
\user\emily\sales.may
The path name of Isabel's sales. may file is:
\user\isabel\sales.may
When YOll are in your working directory, you may use a filename
and its
corresponding path name interchangeably. Some sample
names are:
\
\programs
The root directory.
A
directory under the root
directory that contains program
files.
\ user \ isabel \forms \ 1040 A typical full pathname. This
one is for a file named 1040 in
the forms directory, which
belongs to Isabel.
sales. may
A file in the working directory.
A
parent directory is any directory that contains subdirectories. Parent directories
MS· DOS provides special shorthand notations for the working direc-
tory and the parent of the working directory, and automatically
creates these two entries whenever you create a directory:
MS-DOS uses the shorthand name"." to indicate
the name of the working directory in all multi-
level
directory listings.
These two dots are the shorthand name .... " for
the working directory's parent directory (one
level up)_ If you type the dir command followed
by
two dots, MS·DOS lists the files in the parent
directory of your working directory.
If you type
the following command MS-DOS lists
the files in the parent's parent directory:
di r .. \ ..