学习笔记之Linux / Shell / QSHELL

shell（计算机壳层）_百度百科

• http://baike.baidu.com/subview/849/15831672.htm

Shell (computing) - Wikipedia, the free encyclopedia

• http://en.wikipedia.org/wiki/Shell_(computing)

iSeries QSHELL - Wikipedia

• http://en.wikipedia.org/wiki/ISeries_QSHELL
• According to IBM, QSHELL is a “UNIX-like” interface built over OS/400. The commands you issue point to programs in a “QSHELL” library. To use QSHELL, key STRQSH or QSH on an iSeries command line.
• PASE is a “real” UNIX—it is actually AIX. It looks similar to QSHELL, but doesn’t have some of the limitations built into QSHELL. To use PASE, CALL QP2TERM.

AIX_百度百科 

• http://baike.baidu.com/view/349664.htm
• AIX（Advanced Interactive eXecutive）是IBM基于AT&T Unix System V开发的一套类UNIX操作系统，运行在IBM专有的Power系列芯片设计的小型机硬件系统之上。

---

Linux常用命令全称 - 程序员大咖

• https://mp.weixin.qq.com/s/AMnlM75hAMdrSCURZ4QarQ
• https://www.cnblogs.com/wangcp-2014/p/6539035.html

176条DevOps人员常用的linux命令速查表 - 程序员大咖

• https://mp.weixin.qq.com/s/iQBmEzsGxAx4FJq0SBH6Gg

97条 Linux 常用命令总结 - 机器学习算法与Python学习

• https://mp.weixin.qq.com/s/RK_bqt5ihi3jAn9-i1qKtg
• https://zhuanlan.zhihu.com/p/36093355

Linux Shell的18条常用命令整理 - Linux学习

• https://mp.weixin.qq.com/s/mNSXpKzMpMcP3V6Rf6Nzcg

解放你的双手，一个命令帮你减负 - Linux学习

• https://mp.weixin.qq.com/s/EA3MbENrq8jfj0bD40ITNw

如何用 Linux 技巧大大提高工作效率？ - CSDN

• https://mp.weixin.qq.com/s/wZ7tqB8EDEduQE-2gtUdFA

vim三种模式下的小技巧 - Linux学习

• https://mp.weixin.qq.com/s/XgKK9kyuaBwF8x4caBULYQ

---

常用命令

cat 文件名 输出文件内容到基本输出（屏幕 or 加>fileName 到另一个文件）

• linux - How does "cat << EOF" work in bash? - Stack Overflow
  • https://stackoverflow.com/questions/2500436/how-does-cat-eof-work-in-bash/2500451

cb 格式化源代码

chmod //change mode，改变文件的权限

cp copy

date 当前的时间和日期

echo $abc 在变量赋值之后，只需在变量前面加一个$去引用.

lint 语法检查程序

ls dir

man help

more type

du 查看磁盘空间状况

ps 查看当前进程状况

who 你的用户名和终端类型

定义变量 name=abc? (bash/pdksh) || set name = abc (tcsh)

mkdir 创建目录

• unix - mkdir's "-p" option - Stack Overflow
  • https://stackoverflow.com/questions/22737933/mkdirs-p-option
  • -p, --parents
    • no error if existing, make parent directories as needed

rmdir 删除目录

cd 进入目录

rm 删除文件

rm -rf 删除非空文件夹

more 显示文件

echo 显示指定文本

mv 改文件名 /移动文件

• Linux and Unix mv command tutorial with examples | George Ornbo
  • https://shapeshed.com/unix-mv/#how-to-move-a-directory

pwd 显示目录路径命令

pushd and popd

• pushd and popd - Wikipedia
  • https://en.wikipedia.org/wiki/Pushd_and_popd
  • In computing, pushd and popd are commands used to work with the command line directory stack.
• Linux pushd and popd Command Tutorial for Beginners (3 Examples)
  • https://www.howtoforge.com/linux-pushd-popd-command/#q-how-to-check-directory-stack

 

---

How to extract .tar.gz Files ?

• $ tar xvzf file.tar.gz
• $ tar xvzf file.tar.gz -C /path/to/somedirectory
• How To Extract .tar.gz Files using Linux Command Line - Interserver Tips
  • https://www.interserver.net/tips/kb/extract-tar-gz-files-using-linux-command-line/

How to view the contents of tar.gz file without extracting it ?

• $ tar -tf filename.tar.gz
• How can I view the contents of tar.gz file without extracting from the command-line? - Ask Ubuntu
  • https://askubuntu.com/questions/392885/how-can-i-view-the-contents-of-tar-gz-file-without-extracting-from-the-command-l

How to hide and view hidden files / directories ?

• $ mv file .file
• $ ls -al
• $ ll -a
• An Easy Way to Hide Files and Directories in Linux
  • https://www.tecmint.com/hide-files-and-directories-in-linux/
  • To hide a file or directory from the terminal, simply append a dot . at the start of its name