Using wildcard metacharacters and options to the ls command, view the following:

Question

Using wildcard metacharacters and options to the ls command, view the following:

a. All the files that end with .cfg under the /etc directory

b. All hidden files in the /home/user1 directory

c. The directory names that exist under the /var directory

d. All the files that start with the letter "a" underneath the /bin directory

e. All the files that have exactly three letters in their filename in the /bin directory

f. All files that have exactly three letters in their filename and end with either the letter "t" or the letter "hr" in the /bin directory

Explanation / Answer

a) All the files that end with .cfg under the /etc directory b

ls -l /etc/*.cfg

b) All hidden files in the /home/user1 directory c

c)  The directory names that exist under the /var directory d

ls -d /var/*

d)   All the files that start with the letter “a” underneath the /bin directory

ls /bin/[a]*

   ls -d /bin/[a]*

e)   All the files that have exactly three letters in their filename in the /bin directory

f) All files that have exactly three letters in their filename and end with either the letter “t” or the letter “h” in the /bin directory  

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