HP Unified Extensible Firmware Interface - Manual (Page 22)

[ +s | -s ] Sets or clears the system attribute.
[ +h | -h ] Sets or clears the hidden attribute.
[ +r | -r ] Sets or clears the read-only attribute.
file... Specifies the file name. Wild cards are permitted.
directory... Specifies the directory name. Wild cards are permitted.
Description
This command displays and sets the attributes of files or directories. The following four attribute
types are supported in the UEFI file system:
•
Archive—A
•
System—S
•
Hidden—H
•
Read only—R
If a file is a directory, then it is also shown to have the attribute D.
If any file in the file list that is specified in the command line does not exist, attrib continues
processing the remaining files while reporting the error.
If no file or directory is specified, then all of the files in the current directory are displayed.
If no attribute is specified, then the attributes of the files are displayed.
Examples
To display the attributes of a directory:
fs0:\> attrib fs0:\
attrib: D fs0:\
To display the attributes of all files and subdirectories in the current directory:
fs0:\> attrib *
\attrib: AS fs0:\serial.efi
attrib: DA fs0:\test1
attrib: A HR fs0:\bios.inf
attrib: A fs0:\VerboseHelp.txt
attrib: AS fs0:\IsaBus.efi
To add the system attribute to all files with extension .efi:
fs0:\> attrib +s *.efi
To remove the read-only attribute from all files with extension .inf:
fs0:\> attrib -r *.inf
\attrib: A H fs0:\bios.inf
cd
Displays or changes the current directory.
Syntax
cd [path]
Options
path Specifies the relative or absolute directory path.
22 UEFI Shell command reference