ldd命令检测某条命令执行时需要哪些共享库文件的支持

ldd命令检测某条命令执行时需要哪些共享库文件的支持

#ldd $(which /usr/sbin/nginx) 
    linux-vdso.so.1 =>  (0x00007fffbc3fe000)
    libdl.so.2 => /lib64/libdl.so.2 (0x00007f9a6b456000)
    libpthread.so.0 => /lib64/libpthread.so.0 (0x00007f9a6b23a000)
    libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007f9a6b002000)
    libpcre.so.1 => /lib64/libpcre.so.1 (0x00007f9a6ada1000)
    libcrypto.so.1.1 => not found
    libz.so.1 => /lib64/libz.so.1 (0x00007f9a6ab8a000)
    libc.so.6 => /lib64/libc.so.6 (0x00007f9a6a7c9000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f9a6b664000)
    libfreebl3.so => /lib64/libfreebl3.so (0x00007f9a6a54c000)