The full name of bc in Linux is "Binary Calculator". bc is an interpreter provided by the arbitrary precision arithmetic language, used to implement arbitrary precision calculations; the bc command first reads any input file specified by the File parameter, Then read the standard input, and its input file must be a text file containing command sequences, statements, or function definitions that the bc command can read and execute.
#The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.
What is the full name of bc in linux?
bc provides an interpreter for the arbitrary-precision arithmetic language. The meaning of BC is: Binary Calculator, used to implement arbitrary precision calculations (often high-precision calculations).
LINUX bc command
Syntax
bc [ -c ] [ -l ] [ File ... ]
Description
The bc command is an interactive process that provides arbitrary precision arithmetic. The bc command first reads any input file specified by the File parameter, and then reads standard input. The input file must be a text file containing command sequences, statements, or function definitions that the bc command can read and execute.
The bc command is the preprocessor of the dc command. It automatically calls the dc command unless the -c (compile only) flag is specified. If the -c flag is specified, output from the bc command goes to standard output.
The bc command allows you to specify the input and output bases for decimal, octal, or hexadecimal operations. The default value is decimal. This command also provides scaling provisions for decimal point notation. The bc command always uses . (dot) to represent a radix point, regardless of any decimal point characters specified as part of the current locale.
The syntax of the bc command is similar to the syntax of the C language. You can use the bc command to convert between bases by specifying the ibase keyword for the input base and the obase keyword for the output base. The range 2 to 16 is valid for the ibase keyword. The obase keyword ranges from 2 up to the limit set by the BC_BASE_MAX value defined in the /usr/include/sys/limits.h file. Regardless of the ibase and obase settings, the bc command recognizes the letters A through F as their hexadecimal values 10 through 15.
The output of the bc command is controlled by the reader. The output consists of one or more lines containing the values of all unassigned expressions that were executed. The base and precision of the output are controlled by the values of the obase and scale keywords.
Recommended learning: "linux video tutorial"
The above is the detailed content of What is the full name of bc in linux?. For more information, please follow other related articles on the PHP Chinese website!

The core components of Linux include the kernel, file system, shell and common tools. 1. The kernel manages hardware resources and provides basic services. 2. The file system organizes and stores data. 3. Shell is the interface for users to interact with the system. 4. Common tools help complete daily tasks.

The basic structure of Linux includes the kernel, file system, and shell. 1) Kernel management hardware resources and use uname-r to view the version. 2) The EXT4 file system supports large files and logs and is created using mkfs.ext4. 3) Shell provides command line interaction such as Bash, and lists files using ls-l.

The key steps in Linux system management and maintenance include: 1) Master the basic knowledge, such as file system structure and user management; 2) Carry out system monitoring and resource management, use top, htop and other tools; 3) Use system logs to troubleshoot, use journalctl and other tools; 4) Write automated scripts and task scheduling, use cron tools; 5) implement security management and protection, configure firewalls through iptables; 6) Carry out performance optimization and best practices, adjust kernel parameters and develop good habits.

Linux maintenance mode is entered by adding init=/bin/bash or single parameters at startup. 1. Enter maintenance mode: Edit the GRUB menu and add startup parameters. 2. Remount the file system to read and write mode: mount-oremount,rw/. 3. Repair the file system: Use the fsck command, such as fsck/dev/sda1. 4. Back up the data and operate with caution to avoid data loss.

This article discusses how to improve Hadoop data processing efficiency on Debian systems. Optimization strategies cover hardware upgrades, operating system parameter adjustments, Hadoop configuration modifications, and the use of efficient algorithms and tools. 1. Hardware resource strengthening ensures that all nodes have consistent hardware configurations, especially paying attention to CPU, memory and network equipment performance. Choosing high-performance hardware components is essential to improve overall processing speed. 2. Operating system tunes file descriptors and network connections: Modify the /etc/security/limits.conf file to increase the upper limit of file descriptors and network connections allowed to be opened at the same time by the system. JVM parameter adjustment: Adjust in hadoop-env.sh file

This guide will guide you to learn how to use Syslog in Debian systems. Syslog is a key service in Linux systems for logging system and application log messages. It helps administrators monitor and analyze system activity to quickly identify and resolve problems. 1. Basic knowledge of Syslog The core functions of Syslog include: centrally collecting and managing log messages; supporting multiple log output formats and target locations (such as files or networks); providing real-time log viewing and filtering functions. 2. Install and configure Syslog (using Rsyslog) The Debian system uses Rsyslog by default. You can install it with the following command: sudoaptupdatesud

When choosing a Hadoop version suitable for Debian system, the following key factors need to be considered: 1. Stability and long-term support: For users who pursue stability and security, it is recommended to choose a Debian stable version, such as Debian11 (Bullseye). This version has been fully tested and has a support cycle of up to five years, which can ensure the stable operation of the system. 2. Package update speed: If you need to use the latest Hadoop features and features, you can consider Debian's unstable version (Sid). However, it should be noted that unstable versions may have compatibility issues and stability risks. 3. Community support and resources: Debian has huge community support, which can provide rich documentation and

This article describes how to use TigerVNC to share files on Debian systems. You need to install the TigerVNC server first and then configure it. 1. Install the TigerVNC server and open the terminal. Update the software package list: sudoaptupdate to install TigerVNC server: sudoaptinstalltigervnc-standalone-servertigervnc-common 2. Configure TigerVNC server to set VNC server password: vncpasswd Start VNC server: vncserver:1-localhostno


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Zend Studio 13.0.1
Powerful PHP integrated development environment

SublimeText3 Linux new version
SublimeText3 Linux latest version

Atom editor mac version download
The most popular open source editor

SublimeText3 Mac version
God-level code editing software (SublimeText3)

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft