/* Display The current Time in c language*/ #include<stdio.h> #include<conio.h> #include<dos.h> void main() { struct date d; getdate(&d); printf("Current system date is %d/%d/%d",d.da_day,d.da_mon,d.da_year); getch(); } /*This program list all files present in a directory/folder in which this executable file is present. For example if this executable file is present in C:\\TC\\BIN then it will lists all the files present in C:\\TC\\BIN.*/ #include<stdio.h> #include<conio.h> #include<dir.h> void main() { int done; struct ffblk a; printf("Press any key to view the files in the current directory\n"); getch(); done = findfirst("*.*",&a,0); while(!done) { printf("%s\n",a.ff_name); done = findnext(&a); } getch(); } /* Open the notepad using c program/* #include<stdlib.h> void main() { system("C:\\Windows\\System32\\notepad.exe"); } Note : When run ...