| UNIX SHELL SCRIPTING: | 5 YEARS | |
| LINUX/UNIX OS: | 7 YEARS | |
| C/C++: | 2 YEARS | |
| GSM BILLING SYSTEMS: | 2 YEARS | |
| PROBLEM SOLVING ON LINUX/UNIX: | 5 YEARS | |
| SQL: | 7 YEARS | |
| JAVA: | 6 MONTHS | |
| PHP: | 20 MONTHS | |
| APACHE WEB SERVER: | 6 MONTHS | |
| MYSQL DATABASE: | 2 YEARS | |
| HTML: | 7 YEARS | |
| JAVASCRIPT: | 10 MONTHS | |
| CSP/CACHE: | 10 MONTHS |