7. Replace the current process with the `ls -l`

pravjot

7. Replace the current process with the `ls -l`

Write a C program to replace the current process with the `ls -l` command using `execl()`.

gaurav133232

#include<stdio.h>

#include<unistd.h>

int main()

{

int ret;

ret = execl("/bin/ls","ls","-l",(char*)0);

if(ret == -1)

perror("execl failed");

return 1;

}

raj.kiran

#include<stdio.h>

#include<unistd.h>

int main(int argc, char* argv[])

{
          int ret;
        printf("FILE: %s -> %s:Begins\n",__FILE__,__func__);
        ret=execl("/bin/ls", "ls","-l", (char *) 0);
        if(ret==-1)
        {
                printf("execl failied!\n");
                perror("execl");
        }
        printf("FILE: %s -> %s:Begins\n",__FILE__,__func__);
        return 0;
}

akashbhandari

#include<stdio.h>

#include<string.h>

#include<stdlib.h>

#include<unistd.h>

int main()

{

printf("%s: %s:Begin\n",__FILE__,__func__);

int ret;

printf("%s:%s:Pid of this process :%d\n",__FILE__,__func__,getpid());

ret=execl("/bin/ls", "ls" ,"-l" , NULL);

if(ret==-1)

{

perror("execl");

exit(EXIT_FAILURE);

}

printf("%s:%s:Pid of this process :%d\n",__FILE__,__func__,getpid());

printf("%s: %s:end\n",__FILE__,__func__);

return 0;

}

7. Replace the current process with the `ls -l`

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