Linux

• Manually installation
• configure: check the system and collect dependency information of this system.
• make: run the Makefile where keep the software installation info and system config.

• make install: move the file to correct system location.

• Alias

#Personal alias
alias foo='git diff'
# Muti-command alias
alias bar='command1 xxxx; command2 xxxx'

Use source <alias file> to make the change take effect.

• grep, pipe

# recursive search keyword in specific suffix files, list the file name as result.
grep -rl --include=\*.{php,inc} 'breadcrumb'

• find

# search 'js' folder in current direcotry
find . -type d -name js

• sed sed is the stream editor, but can edit files directly too, with the following:

sed -i -e 's/foo/bar/g' filename

• how to pass parameter

$0 is the string value of command itself

$1 is the 1st parameter

$2 is the 2nd parameter and so on…

• package management: yum install and apt-get

• curl and wget to get the file from internet.

• Export/ echo

• Source

• Crontab

• which / whereis

• scp

• chmod and chown

• start service

• backup file

• shortcut: ctrl + a go to start of the command, ctrl + e go to the end of the command

• file structure

• inotifywatch

• system checking free -m