your Linux computer—now dive below and explore its depths with the power of the command line. The Linux Command Line takes you from your very first terminal keystrokes to writing full programs in Bash, grep, patch, and sed Once you overcome your initial “shell shock,” you’ll find that the command line is a natural and expressive way to communicate with your computer. Just don’t be surprised if your education and advocacy site featuring news, reviews, and extensive support for using the Linux command line. SHELVE IN: COMPUTERS/LINUX $49.95 ($52.95 CDN) www.nostarch.com THE FINEST IN GEEK ENTERTAINMENT™

Command Line How Do You Survive What You Need Access to a Linux Terminal VirtualBox https://www.virtualbox.org/ Kali Linux or Another Distribution of Linux http://www.kali.org/ http://en.wikipedia output last part of file files head - output first part of file less echo more command line text editors Command Line Text Editors Pico Nano* Vi* Vim* Emacs Obtaining SuperUser Privileges ● Will need ■ Sudo - run a command as a SuperUser ■ SU - become a SuperUser Installing Software via Command Line Package Managers ● apt-get* (Debian based distributions) ● yum (RedHat based distributions) ●

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Linux command line for you and me Documentation Release 0.1 Kushal Das Sep 01, 2023 Contents: 1 Shell commands 1 1.1 Terminal emulators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 1.20 Moving around in the command line . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.21 man pages . . . . . following command. (I added this in 2018, so please do not get confused at the date.) 1 Linux command line for you and me Documentation, Release 0.1 $ date -u Mon May 21 01:43:47 UTC 2018 If you want to

Welcome to Linux command line for you and me! Contents: Shell commands Terminal emulators date command cal command whoami command id command pwd command cd command . directory and .. directory ls command command Redirecting the command output Using > to redirect output to a file Moving around in the command line man pages Counting files in a directory Editing longer commands File system FHS Useful commands words and bytes of a file. $ cat hello.txt HI that is a file. This is the second line. And we also have a third line. $ wc -l hello.txt 3 hello.txt $ wc -w hello.txt 17 hello.txt The -l flag finds the

fertile environment for enthusiasts. By staying close to its UNIX roots, Linux provided a Command Line Interface (CLI) first; the adaptation of the X Window System made a graphical user interface (GUI) need to install a wireless card. This connection is similar to a satellite connection, where data is trans- mitted through the airwaves. Dial-up access uses the same lines as your phone connection, except the parties at the two ends are comput- ers. This is a slow and cheap connection that uses a phone line to connect to a local server. Your computer dials a phone number that is provided by your ISP and

# 同时向服务器端发送的请求数目，默认状态下是一次 只执行一个http请求. 8. 9. -C cookie-name=value 10. # Add a Cookie: line to the request. The argument is typically in the 11. # form of a name=value pair. This field labels are on 26. # the first line of the file. 27. -h # 显示使用说明 28. -H custom-header 29. # 向请求包追加附加的标题字串.此参数应该是有效的标题 行(header 30. # line)形式,通常使用冒号":"来分隔有效配对 (valid pair)例如 hello 4. ack-grep -w hello 5. ack-grep -Q 'hello*' 对搜索结果进行处理，比如只显示一个文件的一个匹配项，或者xxx 1. ack-grep --line=1 # 输出所有文件第二行 2. ack-grep -l 'hello' # 包含的文件名 3. ack-grep -L 'print' # 非包含文件名 输出

type ./configure. To change the default options, configure accepts a variety of variables and command line options. The most important option is the location --prefix where Apache is to be installed later compiler, libraries, or header files. This is done by passing either environment variables or command line options to configure. For more information, see the configure manual page. For a short impression API between minor versions. In most cases you should be able to use an identical configure command line, an identical configuration file, and all of your modules should continue to work. (This is only valid

. . . . . . . . . . . . . . . . . . . . . . . 101 D.4 Installing Debian GNU/Linux over Parallel Line IP (PLIP) . . . . . . . . . . . . . . . . . . . 102 D.4.1 Requirements . . . . . . . . . . . . . different command line shells and several graphical desktops. This selection is often bewildering to users of other operating systems, who are not used to thinking of the command line or desktop as something choose not to select the“Desktop environment”task, you will only have a relatively basic, com- mand line driven system. Installing the Desktop environment task is optional because in relation to a text-mode-only

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1.3.4 Command-line tricks in MC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27 1.5.5 Command line options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221 12.1.6 The shell command-line processing sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222 12.1.7 Utility