Linux Shell Easy Problem Solution Problem Statement E0001 Let's Echo E0002 Looping and Skipping E0003 A Personalized Echo E0004 Looping with Numbers E0005 The World of Numbers E0006 Getting started with conditionals E0007 Comparing Numbers E0039 Display an element of an array E0040 Count the number of elements in an Array E0041 'Grep' - A E0042 'Grep' - B E0043 'Sed' command #3 E0008 More on Conditionals E0009 Cut #1 E0010 Cut #2 E0011 Cut #3 E0012 Cut #4 E0013 Cut #5 E0014 Cut #6 E0015 Cut #7 E0016 Cut #8 E0017 Cut #9 E0018 Head of a Text File #1 E0019 Head of a Text File #2 E0020 Middle of a Text File E0021 Tail of a Text File #1 E0022 'Tr' Command #1 E0023 'Tr' Command #2 E0024 'Tr' Command #3 E0025 Sort Command #1 E0026 Sort Command #2 E0027 Sort Command #3 E0028 Sort Command #4 E0029 Sort Command #5 E0030 'Sort' command #6 E0031 'Sort' command #7 E0032 'Uniq' Command #1 E0033 'Uniq' Command #2 E0034 'Uniq' command #3 E0035 'Uniq' command #4 E0036 Read in an Array E0037 Slice an Array E0038 Concatenate an array with itself Medium Problem Solution Problem Statement M0001 Paste - 1 M0002 Paste - 2 M0003 Paste - 3 M0004 Paste - 4 M0005 'Grep' #1 M0006 'Grep' #2 M0007 'Grep' #3 M0008 'Sed' command #1 M0009 'Sed' command #2 M0010 'Awk' - 1 M0011 'Awk' - 2 M0012 'Awk' - 3 M0013 'Awk' - 4 M0014 Remove the First Capital Letter from Each Element M0015 Filter an Array with Patterns M0016 Compute the Average M0017 Arithmetic Operations Hard Problem Solution Problem Statement H0001 'Sed' command #4 H0002 'Sed' command #5