mattrib - mtools utility to change DOS file attribute
mattrib [-a | +a] [-h | +h] [-r | +r] [-s | +s] msdosfile
The mattrib command sets (+) or clears (-) the attribute
options of a DOS file.
Sets or resets the archive bit. Some backup programs use
this option to indicate a new file. Sets or resets the
hidden-bit. This option hides files from the DOS DIR command.
To view these files, use the mdir command. Sets or
resets the read-only bit. This option is used to indicate
a read-only file. If this bit is set, a file cannot be
removed using the DOS DEL command. To remove the file,
use the mdel command. Sets or resets the system bit.
This option is used by DOS to indicate an operating system
The mattrib command sets the attribute options of a DOS
file using the plus (+) operator, or clears attribute
options using the minus (-) operator. DOS pathnames that
contain the '/' or '\' separator are supported. If you
use the '\' separator or wildcards, you must enclose file
names in quotes to protect them from the shell.
The mcd command can be used to establish the device and
the current working directory (relative to DOS), otherwise
the default is A:\.
The DOS version of the attrib command does not support all
of the options listed on this reference page.
The following exit values are returned: Success. Failure.
ENVIRONMENT VARIABLES [Toc] [Back]
The following environment variables affect the execution
of mattrib: If set, this variable names the file that contains
the name of the current mtools working directory as
established by the mcd command. If this variable is not
set, the file $HOME/.mcwd is used.
Contains the name of the current mtools working directory
as established by the mcd command. If this file does not
exist, the default mtools working directory is A:\. Executable
Commands: mcd(1), mdel(1), mdir(1), mtools(1)
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