Sections（分节）
The concept of sections is tied to the information extracted from the binary. We can display this information by using the i command.
Displaying information about sections:
As you may know, binaries have sections and maps. The sections define the contents of a portion of the file that can be mapped in memory (or not). What is mapped is defined by the segments.
Before the IO refactoring done by condret, the S command was used to manage what we now call maps. Currently the S command is deprecated because iS and om should be enough.
Firmware images, bootloaders and binary files usually place various sections of a binary at different addresses in memory. To represent this behavior, radare offers the iS. Use iS? to get the help message. To list all created sections use iS (or iSj to get the json format). The iS= will show the region bars in ascii-art.
You can create a new mapping using the om subcommand as follows:
For Example:
You can also use om command to view information about mapped sections:
Use om? to get all the possible subcommands. To list all the defined maps use om (or omj to get the json format or om* to get the r2 commands format). To get the ascii art view use om=.
It is also possible to delete the mapped section using the om-mapid command.
For Example:
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