Posts tagged Self Study

vi Find & Replace

Range [%] All lines in the file. [1,30] line 1 to 30 [5,$] line 5 to last line Pattern This can be plain text and also regular expression. ...

malloc( ) and free( )

allocates the requested memory and returns a pointer to it. (Dynamic memory allocation) should #include<stdlib.h> void *malloc(# of bytes): ...

CyanogenMod

most popular custom ROM for Android devices Android Mobile Operating system-based Open Source Firmware for smartphones and tablet devices. Why ...

Hard Link vs. Soft Link

Hard links are just different names for the same file. One file can have many different names or hard links. Both original file and link file ...

Linux Hierarchy Structure

The Root Directory is the starting point of the file system hierarchy. Everything in the system, including the other directories and files of the ...

Serialization #2

JavaBeans are classes that encapsulate many objects into a single object (the bean), and  they are serializable. It provides a default, ...

Serialization #1

Serialization is a process in which current state of Object will be saved in stream of bytes. As byte stream create is platform neutral hence ...

Chmod

A chmod is used to change permission of files and directories. form:     chmod  [options]  permissions  filename can be represented in two ways. ...