Binutils

Commands

list symbols in object files (and executables, if not stripped off)
```
nm -C
```
show all infos from a ELF file
```
readelf -a <elf-file>
```
list symbols in shared (dynamic) library
```
readelf -s <*.so>
```
re-create shared library cache
```
sudo ldconfig
```
show all available shared libraries
```
ldconfig -p
```
show required shared libraries of <program>
```
ldd <program>
```
show all system calls executed by <program>
```
strace <program>
```

/etc/ld.so.conf: shared libraries configuration (to be processed by ldconfig)