had written lots of code in C for my school work and saved it as source code under /home/user/c/*.c and *.h. How do I find files by content such as string or words (function name such as main() under UNIX shell prompt?
Q. How do I verify input data such as email address under PHP programming language?
Q. I need to sort data from a log file but there are too many duplicate lines. How do I remove all duplicate lines from a text file under GNU/Linux?
Q. I’d like to sort a list of IP address stored in a text file. How do I sort by last notation or entire address under Linux or UNIX operating systems?
Q. How do I ignore hidden .dot files while searching for files? How do I ignore or exclude certain files while running Linux / UNIX find command?
ow do I redirect with PHP script? How can I use a PHP script to redirect a user from the url they entered to a different web page/url?
I’m just starting in vim text editor but I’m annoying typing and retyping similar statements. Can you address me about it?