The man command, is used to display a man page . It takes the name of the manual page to display, which is usually the same as the name of a command, or a function, or a special device… By … Read More
Tag: linux
The whatis linux command
whatis is used to search in a case insensitive way, the mandb database, for the name of a command, a library function, or a system call… in order to display its description.
whatis only searches the database keys, and … Read More
xprop a tutorial
Let us start by defining what is xprop. xprop is simply a tool, to query, set, and remove the properties of an X11 window .
Additionally, using xprop, you can query X11 core fonts attributes, so you … Read More
What is a property in X11?
In X11, a property simply has a name, a type, a format, a value, and is associated with a window.
There is a set of functions, provided by X11, which allows manipulating a property, and they … Read More
What is an atom in X11?
An atom in X11, is of type Atom, which is defined in the <X11/Xatom.h header, as :
typedef unsigned long Atom; /* Also in Xdefs.h */
An atom is 32 bits, the reason, that long was chosen, … Read More
X11 fonts a tutorial
In X11, you can use multiple font systems, practically there is the X11 core font system , core as in being part of the core protocol, and there is a newer font system, called the xft font … Read More
WSL gui applications, using X11 server
X11 can be used to run and create GUI applications, under Linux. With WSL you can install a bare-bone Linux distribution, under windows.
This installed distro, does actually lack X11, so in order to run GUI applications from … Read More