Linux Workshop

TASK A:
#include <stdio.h>

int main()
{
	char i, c;
	FILE *dump;
	dump=fopen("dump.txt", "a");
	while(1)
	{
		i=fread(&c, 1, 1, stdin);
		if(c=='$') break;
		if(i>0) fwrite(&c, 1, 1, dump);
		//if(i>0) echo &c;
	}
	fclose(dump);
}

TASK B:
#!/bin/bash
grep `whoami` /etc/passwd

TASK C:
#!/bin/bash
cat /usr/share/dict/words | grep -E "\<^c" | grep -E "n$"