在read命令后面,如果没有指定变量名,读取的数据将被自动赋值给特定的变量REPLY,read的参数比较少使用的比较多的几个参数包括:-a(用于数组),-p(给出输入的提示符),-t(指定读取值时等待的时间单位是秒),-s(不显示输入的值,一般用于密码的输入);当然read也可以不使用参数。 Read可以带有-a, -d, -e, -n, -
Using more command to read text files in Linux terminal The more command opens a text file in page views. You can read page by page and when you quit more, there will be no output visible on the screen. Your terminal will be clean and pristine. ...
如何通过 Linux terminal 查看一个文件的 meta 信息 All In One2020-09-2453.Linux shell uname -a All In One2020-09-0154.Linux shell command create file methods All In One2020-08-0955. how to write string to file in linux bash All In One2020-05-0656.Linux Bash Shell All In One2019-12...
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Usually on a new Mac, as soon as you simply type git in a Terminal window, a popup will come up and ask if you want to finish installing the Mac developer tools. Just say yes. As soon as this is finished, you are free to use git....
Resilio Sync - P2P私有云盘,BitTorrent血统,支持安卓/iOS/Windows/macOS/Linux/FreeBSD/NAS等系统平台。注意:截止2021.7.20,macOS平台客户端存在休眠崩溃现象,除此之外可以正常使用。 Seafile - 是由国内团队开发的国际化的开源云存储软件项目。 Syncthing - Resilio Sync的开源竞争者,架构上更加开放自由,良好的用户文...
1. Linux Lab 概览1.1 项目简介本项目致力于创建一个基于 Docker + QEMU 的 Linux 实验环境,方便大家学习、开发和测试 Linux 内核。Linux Lab 是一个开源软件,不提供任何保证,请自行承担使用过程中的任何风险。温馨提示:泰晓社区研发了免安装的Linux Lab Disk(也叫 “泰晓 Linux 实验盘”),可以从 泰晓开源...
Use of --tui requires a tty, if one is not present, as when piping to other commands, the stdio interface is used. --gtk Use the GTK2 interface. -k, --vmlinux=<file> vmlinux pathname --ignore-vmlinux Ignore vmlinux files. --kallsyms=<file> kallsyms pathname -m, --modules Load...
DESCRIPTION This command displays the performance counter profile information recorded via perf record. OPTIONS -i, --input= Input file name. (default: perf.data unless stdin is a fifo) -v, --verbose Be more verbose. (show symbol address, etc) -d, --dsos= Only consider symbols in these...
Ubuntu Linux 13.10RubyLet’s see if Ubuntu comes with Ruby installed. Open Terminal and type ruby -v:1 $ ruby -v 2 The program 'ruby' can be found in the following 3 packages: 4 * ruby1.8 5 * ruby1.9.1 6 Try: sudo apt-get install <selected package> Install it with sudo apt-...