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- Which of the following commands would display all files that start with the characters song and end in a number 100-599? A. ls song??? B. ls song[100-599] C. ls song[0-9][0-9][0-9] D. ls song[1-5][0-9][0-9]What does the following command do? $ mkdir dir dir/dir_01/dir_02Which pattern will match all filenames containing a "b"? [!b]* *b* *b b*
- What will be the value in EAX after the following lines execute?mov eax,30020000hdec axWhich of the following lines of code will not create a file “abc.txt”? Choose an answer A cat >abc.txt B touch abc.txt C >abc.txt D echo abc.txtIn your notebook, you want to load a CSV file into a DataFrame df. This CSV is in the path 'data/payments.csv' relative to the notebook. Which command do you use? Select an answer: df = pd.read_excel('payments') df = pd.read_csv('data/payments.csv') df = csv('data/payments.csv') df = read_csv('payments.csv')
- Can someone make a flowchart out of this? ss_kiosk_df = pd.read_excel("DATA SUPREME SURVEY FORM (Responses).xlsx") ss_kiosk_rename = pd.read_excel("DATA_SUPREME_COLUMN_RENAME_MAPPING.xlsx") ss_kiosk_drop = ss_kiosk_rename.loc[ss_kiosk_rename['column cleanse'] == 'Remove'].new.to_numpy() ss_kiosk01_df = ss_kiosk_df.copy() df01_col_cleansed = ss_kiosk01_df.rename(columns=ss_kiosk_rename.set_index('old')['new'].to_dict()).drop(ss_kiosk_drop, axis=1) df01_row_cleansed = df01_col_cleansed.loc[df01_col_cleansed['Kiosk Experience'] == 'Yes'] df01_row_cleansedWhat are the resulting values of the following commands. (* 3 5)2. (+ 1 2 3) 3. (+ 2 (- 7 2)) 4. ((LAMBDA (x) (* x x)) 4)write the code to lookup, add and remove phoneentries from the phonebook text file . These are the code we use for the lookup, add and remove in the case statement.(Lookup)# Look someone up in the phone bookgrep $1 phonebook (add)echo "$1 $2" >> phonebooksort -o phonebook phonebook (Remove)grep -v "$1" phonebook > /tmp/phonebookmv /tmp/phonebook phonebook Write a complete Bash script which will accept up to three command-line arguments: the first one is either (lookup, add or remove), the second one is a name enclosed in single quotes and the third one (if doing an add) is a phone number enclosed in single quotes. Using a case statement to match on either lookup, add or remove, the script should then perform the requested operation. Again here, you should first check for null arguments before continuing with the rest of the script or requested operation. In addition, the person may not be in the phonebook for lookup or remove so, you need to account for this.
- Which cat command is used to create empty files? i. cp ii. cat iii. touch iv. createWhich of the following utilities was designed to support data extraction from tabulated files? sed grep awk uniqTry giving these 2 commands $ echo cat$ cat echoExplain the differences between the output of each command.