fuser is a command line utility in Linux. fuser can identify the process using the files or sockets. This command can be also used to kill the process. In this article, we are going to see how to use the fuser command to list the processes and kill the processes associated with files and directories. Let’s see how to use the fuser command....
CFQ I/O disk elevator incorporates a tool called ionice which encourages the director to dole out needs on a process cycle level to accelerate or to confine the disk subsystem use of a particular cycle. For instance in the event that you need to run a rsync order or content to reinforce your documents either locally or distantly use ionice alone with the rsync language structure to accelerate or confine the rsync cycle....
cupsd is a type of scheduler for CUPS (Common Unit Printing System). It implements the printing system on the basis of the Internet Printing Protocol(Version 2.1). If no options is being specified on the command-line then the default configuration file /etc/cups/cupsd.conf will be automatically be used....
col command in Linux system is used to filter out reverse line feeds such that the output looks much more in the correct order with only forward and half forward line feeds and replaces the whitespace characters with tabs wherever possible. This can be proven useful in the processing of the output of nroff and tbl. The col utility simply reads from the standard input and writes to standard output....
rmmod command in Linux system is used to remove a module from the kernel. Most of the users still use modprobe with the -r option instead of using rmmod....
chvt command in Linux systems is used to switch between the different TTY (TeleTYpewriter) terminals available. These are essentially Virtual Terminals, which are toggled when the keys Ctrl + Alt + FunKey(1-6) are pressed. There are usually 6 TTY terminals, and the chvt command is used to switch between these terminals, without the use of function keys....
import command in Linux system is used for capturing a screenshot for any of the active pages we have and it gives the output as an image file. You can capture a single window if you want or you can take the entire screen or you can take a screenshot of any rectangular portion of the screen....
bison command is an replacement for the yacc. It is basically a parser generator similar to yacc. Input files should follow the yacc convention of ending in .y format. Similar to yacc, the generated files do not have fixed names, but instead use the prefix of the input file. Moreover, if you need to put C++ code in the input file, you can end his name by a C++-like extension as .ypp or .y++, then bison will follow your extension to name the output file as .cpp or .c++....
The fc-cache command in Linux scans the font directories and build font cache for applications which use fontconfig for their font handling. When no arguments are passed fc-cache scans each directory for font files readable by FreeType. A cache is created which contains properties of each font and the associated file name, this cache is further used to speed up application when using fontconfig library during boot. Synopsis:...
Secure Shell, commonly known as SSH, is like a super-secure way to talk to faraway computers, called servers. It’s like a secret tunnel on the internet that keeps your conversations safe and private. Imagine you’re sending a letter, and instead of sending it openly, you put it in a magic envelope that only you and the person you’re sending it to can open. That’s what SSH does for your computer talks....
bc command is used for command line calculator. It is similar to basic calculator by using which we can do basic mathematical calculations. Arithmetic operations are the most basic in any kind of programming language. Linux or Unix operating system provides the bc command and expr command for doing arithmetic calculations. You can use these commands in bash or shell script also for evaluating arithmetic expressions....
