| Ctrl + A | Go to the beginning of the line you are currently typing on |
| Ctrl + E | Go to the end of the line you are currently typing on |
| Ctrl + L | Clears the Screen, similar to the clear command |
| Ctrl + U | Clears the line before the cursor position. If you are at the end of the line, clears the entire line. |
| Ctrl + H | Same as backspace |
| Ctrl + R | Let’s you search through previously used commands |
| Ctrl + C | Kill whatever you are running |
| Ctrl + D | Exit the current shell |
| Ctrl + Z | Puts whatever you are running into a suspended background process. fg restores it. |
| Ctrl + W | Delete the word before the cursor |
| Ctrl + K | Clear the line after the cursor |
| Ctrl + T | Swap the last two characters before the cursor |
| Esc + T | Swap the last two words before the cursor |
| Alt + F | Move cursor forward one word on the current line |
| Alt + B | Move cursor backward one word on the current line |
| Tab | Auto-complete files and folder names |
/* Program to take lines 1,4,7,10.... from a text file and to write into a new file. It is written in c with platform devcpp*/ /* eg:- input file -> ab.txt contain 1 lady gaga sdrgrg ergerg 2 oraph winfrey dfgdr dfgdf . output file neww.txt 1 lady gaga 2 oraph winfrey . . */ #include #include #include using namespace std; main() { char c; FILE *fp1,*fp2; if(fp1=fopen("e:\\ab.txt","r")) { cout<<"\n opened fp1"; } else { cout<<"\n failed fp1"; } if( fp2=fopen("e:\\neww.txt","w") ) { cout<<"\n opened fp2"; } else { cout<<"\n failed fp2"; } while(!feof(fp1)) { c=getc(fp1); while(c!='\n') { putc(c,fp2); c=getc(fp1); } putc('\n',fp2); c=getc(fp1); while(c!='\n') { c=getc(fp1); } c=getc(fp1); while(c!='\n') { c=getc(fp1); } } cout<<"\n End"; getch(); return 0; }
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