Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

You will most often use Bash functions to make your shell life easier; instead of typing out complex command pipelines, create a function and inject arguments. You'd place these in your bashrc file, ...

Mac OS XやLinux， FreeBSDといったUNIX系オペレーティングシステムを操作する場合に必要なシェルスクリプト。本書では， とくにユーザ数の多い， bash/zsh/tcshに絞り， それぞれの特徴を解説します。さらに， コピーしてそのまま使える設定ファイルを用意してい ...

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...

Bash scripting is a powerful tool for automating tasks on Linux and Unix-like systems. While it's well-known for managing file and process operations, arithmetic operations, such as division, play a ...

シェル (bash)がWindowsネイティブで動作する「Bash (on Ubuntu) on Windows」が話題だが、我らがOS Xでは特別な対策なしにシェルを利用できる。

#!/bin/bash clear echo "Hello world!" The first line tells the operating system what shell to use to interpret the script and the location of the shell. Double quotes do not prevent Bash from ...

Decimals to Roman numerals—here we hit all the limitations of Bash shell scripting. My last few articles have given me a chance to relive my undergraduate computer science degree and code a Roman ...

多くのUNIXおよびLinuxのユーザーに利用されている「Bourne Again SHell（Bash）」に重大なセキュリティホールが発見された。このセキュリティホールはBashによる環境変数の評価方法に起因している。ハッカーは特別に作成した変数を用いてセキュリティホールを ...