Advantech RSB-4220, Руководство пользователя

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RSB-4220 User Manual 38
Figure 3.2 image\rootfs
3.2.2.5 scripts
Some scripts provided by Advantech will help you configure system or build the
images more quickly. Please check them as follows:
– proc →
A virtual file system containing information about system
resources. More information about the meaning of the files in proc
is obtained by entering the command man proc in a terminal win-
dow. The file proc.txt discusses the virtual file system in detail.
– root →
The administrative user's home directory. Mind the difference
between /, the root directory and /root, the home directory of the
root user.
– sbin →
Programs for use by the system and the system administrator.
– sys →
Linux sys file system
– tmp →
Temporary space for use by the system, cleaned upon reboot,
so doesn’t use this for saving any work!
– usr →
Programs, libraries, documentation etc. for all user-related pro-
grams.
– var →
Storage for all variable files and temporary files created by
users, such as log files, the mail queue, the print spooler area,
space for temporary storage of files downloaded from the Internet.
– tools →
just for sample test.
– setenv.sh →
A script to setup the developing environment quickly.
– cfg_uboot.sh →
A script to configure the u-boot building setup quickly.
– mk_uboot.sh →
A script to build the u-boot and copy the “u-boot” to “image”
folder after building.
– cfg_kernel.sh →
A script to configure the kernel building setup quickly.
– mk_kernel.sh →
A script to build the “uImage” and copy the “uImage” to “image”
folder after building.
– mksd-linux.sh →
A script to setup up a bootable SD card if users build their
images
– mkinand-linux.sh →
A script to go to SD card Linux O.S. then burn O.S to eMMC
flash