Linux Command

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alias

Method 1: put your alias in .alias_pofile

Recommend use this file, will not destory .bashrc file. 

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cd ~
touch .alias_pofile

Method 2: edit .bashrc

This method need to reboot to take effect

change directory

change folder or directory

cd : change directory to home ~ directory
cd folder: change to specific directory

change upper directory

cd ..: change upper directory
cd ../..: change directory to 2 upper directory
cd ../folder: move upper directory and go to new direcotry
cat ../folder/filename: read upper directory filename

find

  • find file type .sh

    command:　find . -type f -name "*.sh"

dump or write file

EOF read multipy line into file

Example 1

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cat >>/etc/apt/sources.list<<EOF
######################
EOF

Example 2

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cat << EOF > /etc/samba/smb.conf
[global]
workgroup = WORKGROUP
map to guest = bad user
EOF