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Attributes                     Linus                                                       Windows 1. List Status                  ls                                                                dir 2. Change directory       cd                                                               cd 3. Open Editor               vi                                                                start notepad filename.txt 4. Delete file                  rm filename.txt                                          del filename.txt 5. Clear Screen              clear                                                            cls Please write in comments if found any mistake.

1. Write a Program to accept a number and print the number in reverse order. E.g. if 1324 is the number then the output will be 4231 in C language 2. Write a Program to accept a number and print sum of it’s digits in C language 3. Write a program to accept a number from user and check it it is Armstrong number or not i.e. 153 = 1^3 + 5^3 + 3^3 = 153 in C language 4. Write a program to print following outputs in C language * ** *** **** 5. Write a program to print following outputs in C language **** *** ** * 6. Write a program to print following outputs in C language       A     BBB   CCCCC DDDDDDD 7. Write a program to print outputs in C language. ABCDE EDCBA ABCD DCBA ABC CBA AB BA A A 8.  Write a program to accept a number from user and print it’s factorial in C language  Eg: factorial of 5 is:- 5! = 5 * 4 * 3 * 2 * 1=120 9.   How to get the first and the last element of a linked list   

Create a file using command prompt in Windows Step 1: type nul > file1.txt Step 2: echo My Name is Vinay Kumar > file1.txt  Step 3: start notepad file1.txt