November 9, 2023
There are usually three kill commands in most of the linux distributions: `kill`, `pkill`, `killall`. They are all used to send a signal to one or […]
August 15, 2023
Linux kernel presents many of the device I/O interfaces to user processes as files. Here is a list of the most common Linux devices and their […]
August 1, 2023
It’s possible to make configurations on the build process before building a Linux kernel. When it comes toconfigurations about kernel modules, we have three options for […]
July 18, 2023
Strace is a diagnostic, debugging and instructional userspace utility for Linux. It is used to monitor and tamper with interactions between processes and the Linux kernel, […]
March 7, 2023
Commands in a shell script are executed from top to bottom. If some commandsfail, the execution continues to the next command. For example: Failing commands do […]
February 14, 2023
In some situations, saving stdout and stderr of your terminal command output can be crucial, To automatically save stdout and stderr, there are several options you can go with `>` : Write stdout […]
February 7, 2023
The shell variable HISTCONTROL controls what goes into the command history of bash shell. If HISTCONTROL variable equals to “ignorespace”, that means commands starting with a […]
January 31, 2023
While working in command terminal, we may want to re-enter a command we entered before. We can repeatedly press the up key on our keyboard until […]
