#! /bin/bash sudo ln -s /Applications/Xcode.app/Contents/Applications/Application\ Loader.app/Contents/Frameworks/ITunesSoftwareService.framework/Versions/A/Support/altool /usr/local/bin/altool 

#! /bin/bash caffeinate -u -t 3600 

#! /bin/bash # Run command background sleep 100 & # List jobs background jobs # Bring command to front fg %1 

#! /bin/bash DATE=`date "+%Y_%m_%d_%H_%M_%S"` tar -czvf ~/Desktop/${DATE}.tar ./* echo "" echo "*** Back up success, go to ~/Desktop/${DATE}.tar ***" echo "" 

#! /bin/bash echo "hello" | tr -d \\n | base64 echo "aGVsbG8=" | tr -d \\n | base64 -D 

#! /bin/bash seq -w -f "content%g" 10000 10 11000 | xargs touch 

#! /bin/bash sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolume 

#! /bin/bash echo "" > ~/.zsh_history & exec $SHELL -l 

#! /bin/bash npm ls -gp --depth=0 | awk -F/ '/node_modules/ && !/\/npm$/ {print $NF}' | xargs npm -g rm 

#! /bin/bash textutil -convert html file.ext 

#! /bin/bash afconvert input.mp3 rintone.m4r -f m4af 

#! /bin/bash sysctl -n machdep.cpu.vendor 

#! /bin/bash say -v Alex -f file.txt -o "output.m4a" 

#! /bin/bash mkfile 10g ~/Desktop/file 

#! /bin/bash # in recovery mode csrutil disable; csrutil enable; 

#! /bin/bash airport -I | awk '/ SSID/ {print substr($0, index($0, $2))}' 

#! /bin/bash # C++ name demangling c++filt __Z4mainiPPc 

#! /bin/bash # output: 2026-10-11T11:05:17Z  whois baidu.com | grep Expiry | sed -n "s/Registry Expiry Date://p" || echo "No matching result" 

#! /bin/bash defaults write com.apple.finder QLEnableTextSelection -bool TRUE; killall Finder; 

#! /bin/bash system_profiler SPUSBDataType | sed -n -e '/iPad/,/Serial/p' -e '/iPhone/,/Serial/p' 

#! /bin/bash security find-identity -v -p codesigning 

#! /bin/bash sudo dscacheutil -flushcache && killall -HUP mDNSResponder && say "DNS cache flushed." 

#! /bin/bash jot -r -c 60 a z | rs -g 0 6 | sort | uniq 

#! /bin/bash cat /usr/share/dict/propernames | sort -R | head -n 1 

#! /bin/bash date | md5 | head -c8; echo 

#! /bin/bash git add featureA git commit -m "Feature A is done" # [dev fb2f677] Feature A is done git add featureB git commit -m "Feature B is done" # [dev 733e2ff] Feature B is done git add featureA git commit --fixup fb2f677 # [dev c5069d5] fixup! Feature A is done git log --oneline # c5069d5 fixup! Feature A is done # 733e2ff Feature B is done # fb2f677 Feature A is done # ac5db87 Previous commit git rebase -i --autosquash ac5db87 # pick fb2f677 Feature A is done # fixup c5069d5 fixup! Feature A is done # fixup c9e138f fixup! Feature A is done # pick 733e2ff Feature B is done 

#! /bin/bash AUTHOR=$(git config --get user.name) git log --author="${AUTHOR}" --format="%cd : %s" --since=last.Monday --reverse --no-merges --date=format:'%F %T' 

#! /bin/bash find . -name '*.go' | xargs wc -l | sort -nr 

#! /bin/bash git log --graph --decorate --pretty=oneline --abbrev-commit --all 

#! /bin/bash # ref: https://developer.apple.com/videos/play/wwdc2020/10163/ heap Mail | egrep 'class_rw|COUNT' 

#! /bin/bash # chflags nohidden ~/Desktop  chflags hidden ~/Desktop/* 

#! /bin/bash softwareupdate -ia 

#! /bin/bash # Replace WIFI_SSID and WIFI_PASSWORD with actual networksetup -setairportnetwork en0 WIFI_SSID WIFI_PASSWORD 

#! /bin/bash curl -sS http://httpbin.org/get | python3 -m json.tool 

#! /bin/bash defaults write -g KeyRepeat -int 0.02 

#! /bin/bash last | awk 'NR==1 {print $6}'

#! /bin/bash md5 -xs "Hello world!" 

#! /bin/bash history | awk '{CMD[$2]++;count++;} END { for (a in CMD )print CMD[a] " " CMD[a]/count*100 "% " a }' | grep -v "./" | column -c3 -s " " -t | sort -nr | nl | head -n10 

#! /bin/bash netstat -n | awk '/^tcp/ {++S[$NF]} END {for(a in S) print a, S[a]}' 

#! /bin/bash echo "starting upgrade pip packages..." python3 -m pip list --outdated --format=freeze | grep -v "^\-e" | cut -d = -f 1 | xargs -n1 python3 -m pip install -U echo "finished upgrade pip packages..." 

#! /bin/bash printenv 

#! /bin/bash pip3 list --format=columns | tail +3 | wc -l 

#! /bin/bash tree | grep '.py$' | wc -l 

#! /bin/bash # list all network services IN=$(networksetup -listallnetworkservices | awk '{if (NR>1) print $0 ";"}'); while IFS=";" read -ra SERVICES; do for i in "${SERVICES[@]}"; do echo "${i} DNS Servers:" networksetup -getdnsservers "${i}" done done <<< "$IN" 

#! /bin/bash # clear the screen tput clear # save cursor position tput sc # move cursor position tput cup 10 13 # hide cursor tput civis # show cursor tput cnorm # show output tput rc 

#! /bin/bash # print current remote repo url git remote -v; # after go to github.com and edit your repo name # execute command below to set remote name and url git remote set-url $0 $1; git remote -v; 

#! /bin/bash codesign -f -s ${IDENTITY} ${FRAMEWORKPATH} 

#! /bin/bash # sudo reboot sudo shutdown -r now 

#! /bin/bash sysctl -a | grep -Eo "core_count:(.+?)$" 

#! /bin/bash curl ipecho.net/plain; echo 

#! /bin/bash sw_vers 

#! /bin/bash siteaddr=$1 dig ${siteaddr} ping ${siteaddr} -c 10 whois ${siteaddr} nslookup ${siteaddr} traceroute ${siteaddr} 

#! /bin/bash ipconfig getifaddr en0 

#! /bin/bash rvictl -s $1 rvictl -l rvictl -x $1 

#! /bin/bash airport -s 

#! /bin/bash # sudo pmset repeat cancel sudo pmset repeat wakeorpoweron MTWRF 9:00:00 shutdown MTWRFSU 18:30:00 

#! /bin/bash whatis $1 

#! /bin/bash variables=("http_proxy" "https_proxy" "ftp_proxy") for i in "${variables[@]}" do export $i="socks5://localhost:1080" done env | grep -e _proxy | sort echo -e "Proxy-related environment variables set." #  # Reference: https://gist.github.com/patik/6d40ded40bf93c2f381b #  # You can define the code as bash function and automatic set the  # proxy variables when you lauch a bash shell. # # To delete the variables, execute unset $VAR_NAME in bash.  

#! /bin/bash sudo ln -s /System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport /usr/local/bin/airport export $PATH="/usr/local/bin:$PATH" 

#! /bin/bash python3 -m http.server python -m SimpleHTTPServer 

#! /bin/bash # Heavily inspired by https://www.commandlinefu.com/commands/view/6051/get-all-shellcode-on-binary-file-from-objdump # With slightly modify. objdump -d $1 | grep '[0-9a-f]:' | cut -f2 -d ':' | cut -f1-6 -d ' ' | tr -s ' ' | tr '\t' ' ' | sed 's/ $//g' | sed 's/ /\\x/g' | paste -s -d '\' - | sed 's/^/"/' | sed 's/$/"/g' 

#! /bin/bash osascript -e 'tell app "System Events" to display dialog "Hello world!"' 

#! /bin/bash defaults write com.apple.finder AppleShowAllFiles true 

#! /bin/bash echo "File Name: $0" echo "First Params: $1" echo "Second Params: $2" echo "Quoted Values: $@" echo "Quoted Values: $*" echo "Total Params: $#" echo "Last Status: $?" echo "Current PID: $$" 

#! /bin/bash touch ~/.ssh/config; echo -e "Host ALIAS\n HostName HOSTADDR\n User USERNAME" >> ~/.ssh/config; 

#! /bin/bash ssh-keygen -t rsa; ssh-copy-id -i ~/.ssh/id_rsa.pub USERNAME@HOSTADDR; 

#! /bin/bash say "Hello world!" 

#! /bin/bash hex=$(printf "#%02x%02x%02x" ${1:-0} ${2:-0} ${3:-0}) echo -n $hex | pbcopy echo -e "\033[31m Result ${hex} copy to the clipboard." 

#! /bin/bash open dict://$1 

#! /bin/bash # Show information about kernel zones sudo zprint