> ~/Downloads $ dir AdbeRdr9.4.2-1_i486linux_deu.bin libifd-cyberjack6_3.99.5final.SP02_i386_u1104.deb > ~/Downloads $ sudo AdbeRdr9.4.2-1_i486linux_deu.bin sudo: AdbeRdr9.4.2-1_i486linux_deu.bin: command not found