HP t5515 Administrator's Guide: Linux-based HP Compaq t5125, t5515, t5525 Thin - Page 83

System Management, How do you change file permissions using, BusyBox?

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Frequently Asked Questions How do you change file permissions using BusyBox? To change the permission options the System Administrator uses the chmod command. An overview of the chmod command follows. chmod [-R] MODE[,MODE]... FILE... Each MODE is one or more of the letters ugoa, one of the symbols + or -=, and one or more of the letters rwxst"=. You can also set the permissions using an octal numeric based code, where 4 equals read, 2 equals write, and 1 equals execute permissions. Options: -R Changes files and directories recursively. How is changing ownership handled using BusyBox? The system administrator uses the chgrp command to assign group ownership to a file or resource. An overview of the chgrp command follows. chgrp [OPTION]... GROUP FILE... Change the group membership of each file to group. Options: -R Changes files and directories recursively. System Management How do you configure the system hardware clock? Set the system hardware clock using the BIOS setup utility: 1. Reboot the system and press F10. 2. After the Setup utility displays, press Esc. 3. Select the standard CMOS features option and press Enter. 4. Set the date and time using Page Up and Page Down. 5. To save the changes, press F10 and Enter. Administrator's Guide www.hp.com 6-3

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Administrator’s Guide
www.hp.com
6-3
Frequently Asked Questions
How do you change file permissions using
BusyBox?
To change the permission options the System Administrator uses the
chmod
command. An overview of the
chmod
command follows.
chmod [-R] MODE[,MODE]... FILE...
Each
MODE
is one or more of the letters
ugoa
, one of the symbols
+
or -
=,
and one or more of the letters rwxst”=. You can also set the
permissions using an octal numeric based code, where 4 equals
read
,
2 equals
write
, and 1 equals
ex
ecute permissions
.
Options:
-R
Changes files and directories recursively.
How is changing ownership handled using
BusyBox?
The system administrator uses the
chgrp
command to assign group
ownership to a file or resource. An overview of the
chgrp
command
follows.
chgrp [OPTION]... GROUP FILE...
Change the group membership of each
file
to
group
.
Options:
-R
Changes files and directories recursively.
System Management
How do you configure the system hardware
clock?
Set the system hardware clock using the BIOS setup utility:
1. Reboot the system and press
F10
.
2. After the Setup utility displays, press
Esc
.
3. Select the standard CMOS features option and press
Enter
.
4. Set the date and time using
Page Up
and
Page Down
.
5. To save the changes, press
F10
and
Enter
.