Shell 速查表

    chsh -s /bin/zsh
  

    du -sh [filePath/Directory]
  

    rm -rf dir
# -f for force, -r for recursive
  

    find / -name filename.xx
  

    find . -name '*.pyc' -delete # remove all .pyc files from a project
  

    ps aux | grep [name]
  

    kill $(ps aux | grep [name] | awk '{print $2}')
  

    tail -f filename.log
  

    nc -z -v [ip] [port]
  

    sudo lsof -i:[port number]
  

    wget -c [url]
  

    scp -i ssh-key-file [user]@[ip]:remote/file/path local/file/path
  

    scp -i ssh-key-file [file/to/send] [user]@[ip]:[dest/path]
  

    chmod +x ./script.sh
  

    ssh-keygen -t rsa -C "remark"
  

    eval `ssh-agent -s`
  

    chmod 400 [key-path]
  

    ssh-add [key-path] # without .pub
  

    ssh -i ssh-key-file -o IdentitiesOnly=yes [username]@[ip]  -D 127.0.0.1:1007
  

    for i in `seq -w 000 3`;do echo test_"${i}";done
# Output：
#  test_000
#  test_001
#  test_002
#  test_003
  

    say hello world
# list all langs
say -v '?'
# list all file format
say --file-format=?
say -v Ting-Ting -o test.aac hello world