grep -o '' fileName | wc -l
Here is what the above code is Doing:
1. grep -o ‘
-o means only print the matching part of the line
‘
fileName is the file you’re searching in
2. wc -l
wc is the word count command
-l means only print the number of lines
find / -name ‘*.desktop’ # Three locations unity will look: # ~/.local/share/applications # /usr/local/share/applications # /usr/share/applications # /var/lib/snapd/desktop/applications/ Here is what the above code is Doing: 1. It’s looking for all files with the .desktop extension. 2. It’s looking in the following locations: – ~/.local/share/applications – /usr/local/share/applications – /usr/share/applications – /var/lib/snapd/desktop/applications/ 3. It’s printing the…
# Example usage: awk ‘FNR==NR{a[$1]=$1; next}; $8 in a {print $0;}’ input_file_1 input_file_2 # This command prints rows from input_file_2 if the value in a specific # field of input_file_2 is found in a specific column of input_file_1. # With these specific numbers, this function prints the row from # input_file_2 if the value in…
npx expo install @react-native-async-storage/async-storage Here is what the above code is Doing: 1. We’re importing the AsyncStorage module from the @react-native-async-storage/async-storage package. 2. We’re creating a function called getToken that takes in a key as a parameter. 3. We’re using the AsyncStorage.getItem() method to get the value of the key that was passed in. 4….
sudo apt-get –only-upgrade install google-chrome-stable Here is what the above code is Doing: 1. Update the package list 2. Install the latest version of Chrome 3. Remove the old version of Chrome 4. Install the latest version of Chrome
git config user.name Here is what the above code is Doing: 1. git config user.name – This command will return the name of the user that is currently logged in. 2. git config user.email – This command will return the email of the user that is currently logged in. 3. git config user.name “John Doe”…
sudo apt install audacity Here is what the above code is Doing: 1. We’re using the sudo command to run the apt command as a superuser. 2. We’re using the install command to install the audacity package.