Programming with FASM – the format ELF executable – part 004 .
The tutorial for today is a simple one. I will show you how to delete the file created with in the last tutorial. Let’s create a new file named delete_file.fasm and used to delete the new_file.txt.
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[mythcat@desk ~]$ cd fasm/ [mythcat@desk fasm]$ vim delete_file.fasm [mythcat@desk fasm]$ ./fasm.x64 delete_file.fasm flat assembler version 1.73.16 (16384 kilobytes memory, x64) 2 passes, 170 bytes. [mythcat@desk fasm]$ ls new_file.txt new_file.txt [mythcat@desk fasm]$ ./delete_file [mythcat@desk fasm]$ ls new_file.txt ls: cannot access 'new_file.txt': No such file or directory [mythcat@desk fasm]$ |
In the file delete_file.fasm I used the int 0x80 and mov rax, 10. The kernel is accessed using… Read More »