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In DOS systems, file directory entries include a Hidden file attribute which is manipulated using the attrib command. Using the command line command dir /ah displays the files with the Hidden attribute. In addition, there is a System file attribute that can be set on a file, which also causes the file to be hidden in directory listings.
However, the DIR and CAT (Catalog) commands for displaying file data support the usual partial filenames, suffixes, and file dates. Under TRSDOS/LS-DOS 6.x files can be made invisible to the DIR and CAT commands, and can be displayed with the INV parameter (unless any files are password protected and the correct p/w is not given).
In computing, dir (directory) is a command in various computer operating systems used for computer file and directory listing. [1] It is one of the basic commands to help navigate the file system . The command is usually implemented as an internal command in the command-line interpreter ( shell ).
A directory table is a special type of file that represents a directory. Each file or directory stored within it is represented by a 32-byte entry in the table. Each entry records the name, extension, attributes ( archive , directory, hidden, read-only, system and volume), the date and time of creation, the address of the first cluster of the ...
MS-DOS / PC DOS and some related disk operating systems use the files mentioned here. System Files: [1] IO.SYS (or IBMBIO.COM): This contains the system initialization code and builtin device drivers; MSDOS.SYS (or IBMDOS.COM): This contains the DOS kernel. Command-line interpreter (Shell): COMMAND.COM: This is the command interpreter.
PC DOS 1.0: FAT12: 1982: MS-DOS 1.25: FAT12: 1982: Commodore 64 / 1541: Commodore DOS (CBM DOS) 1984: PC DOS 3.0 / MS-DOS 3.0: FAT16: 1984: Classic Mac OS: Macintosh File System (MFS) 1985: Atari TOS: Modified FAT12: 1985: Classic Mac OS: Hierarchical File System (HFS) 1987: Compaq MS-DOS 3.31: FAT16B: 1988: AmigaOS v1.3: Amiga Fast File System ...
Only MZ (DOS) [11] Yes LE, (W3, W4) OS/2 (2.0 and higher only), some DOS extenders.EXE: Yes by file (286 and higher only) Yes Yes No Yes Yes No No Yes LX: OS/2 (2.0 and higher only), some 32-bit DOS extenders.EXE: Yes by file Yes Yes No Yes Yes [12] No No Yes PIM/XIP: PalmDOS (MINIMAX applications only).PIM/.XIP: No (x86 only) Yes No No No No ...
Files-11 is the file system used in the RSX-11 and OpenVMS operating systems from Digital Equipment Corporation. It supports record-oriented I/O, remote network access, and file versioning. The original ODS-1 layer is a flat file system; the ODS-2 version is a hierarchical file system, with support for access control lists,.