、常用縮寫 習慣

cd == change dieectory ##更改當前工作目錄

dd == disk dump ##磁碟轉存

df == disk free ##磁碟自由

du == disk usage ##磁碟詳情

pwd == print working directory ##列印當前工作目錄

ps == processes status ##工程狀態

ps == prompt strings ##提示字串

su == substitute user ##切換使用者

rc == run command ##執行命令

tcl == tool command language ##工具命令語言

cups == command unix printing system ##unix命令列印系統

apt == advanced packaging tool ##先進的包裝工具

bg == background ##背景、隱藏位置

fg == foreground ##前景

ping == packet internet grouper ##網路檢測

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如果首字母后為h，通常為改變的意思，需要保留

chsh == change shell

chmod == change mode ##更改模式

chown == change owner ##更改所有者

chgrp == change group ##變更群組

bash == bourne again shell ##

zsh == z shell ##

ksh == korn shell ##

ssh == secure shell ##安全命令

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遞迴縮寫類

gnu == gnu is not unix ##

php == php hypertext preprocessor ##

RPM == RPM package manager

WINE == WINE is not an emulator ##

PNG == PNG is not GIF ##

nano == nano is another editor ##nano 是另一個 編輯器