how to I implement linux command into my C program? I did manage to execute some basic command like "ls","pwd" etc…. however I cant perform command with argument with it like "ls -a -l"… how can I do it without hard coding the command into the program?

1. "I did manage to execute some basic command like "ls","pwd" etc…."
   How? You can run ls, but not ls -a?

   You can either do it through system("ls -la") which is defined in stdlib.h, or use execv in unistd.h .

2. You just take command line argument,
   And Linux provide you a library for parsing command line parameter.
   So, you can parse the parameter and do as you want.

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