apt remove ppa

u -> undo CTRL + r -> redo Here is what the above code is Doing: 1. We are creating a new file called “test.txt” 2. We are opening the file in write mode 3. We are writing the string “Hello World” to the file 4. We are closing the file

\curl -sSL https://get.rvm.io | bash -s stable # if error +sudo +curl -L rvm install 2.1 bash –login rvm use 2.1 #Type bash –login from your terminal. And then give rvm use 2.0.0 Here is what the above code is Doing: 1. Installs RVM (Ruby Version Manager) 2. Installs Ruby 2.1 3. Sets Ruby 2.1…

for i in *.txt; do new=$(printf “%01d.txt” “$a”) mv -i — “$i” “$new” let a=a+1 done # “%01d.txt” 01 is the number of digits you want your name to be composed of, # Example: %01.txt –> 1.txt , 2.txt, 3.txt, …, 10.txt, … # %04.txt –> 0001.txt, 0002.txt, …, 0010.txt, … Here is what the…

// Open the Terminal and write: swift -version Here is what the above code is Doing: 1. We’re creating a constant called “myName” and assigning it the value “Tim McGraw”. 2. We’re creating a constant called “myAge” and assigning it the value 25. 3. We’re creating a constant called “myQuote” and assigning it the value…

sudo apt-get remove –autoremove openshot-qt Here is what the above code is Doing: 1. Add the PPA 2. Update the local package index 3. Install the package 4. Remove the PPA 5. Remove the package

#delete local / distance git push origin –delete [branch_name] Here is what the above code is Doing: 1. git branch -r : lists all the remote branches 2. grep -v : filters out the branch you’re currently on 3. awk -F/ : only returns the branch name after the last forward slash 4. xargs -n…