In TLDP tutorial about the kernel, it is saying that all shell commands except cd and pwd are binary executables. If cd and pwd are not so, then what are they?? -- With regards, Jagadeesh Bhaskar P R&D Engineer HCL Infosystems Ltd Pondicherry -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/