Podcast
Questions and Answers
To list all the files present in the current directory ls * 2. to display specific file in directory. ls ______.
To list all the files present in the current directory ls * 2. to display specific file in directory. ls ______.
filename
List all the file with some extension ls . 4. List out all txt files. ls ______.txt
List all the file with some extension ls . 4. List out all txt files. ls ______.txt
List out all java files. ls ______.java
List out all java files. ls ______.java
List out all the files who’s name start with a ls ______.
List out all the files who’s name start with a ls ______.
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List out all the files who’s name start with ‘a‘ and end with ‘e‘ ls ______e.*
List out all the files who’s name start with ‘a‘ and end with ‘e‘ ls ______e.*
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Study Notes
Basic File Listing Commands
- The command
ls *lists all files in the current directory.
Listing Specific Files
- The command
ls filenamedisplays a specific file in the directory. - The command
ls *.*lists all files with any extension.
Filtering Files by Extension
- The command
ls *.txtlists all text files. - The command
ls *.javalists all Java files.
Filtering Files by Name Pattern
- The command
ls a*.*lists all files whose name starts with 'a'. - The command
ls a*e.*lists all files whose name starts with 'a' and ends with 'e'.
Filtering Files by Filename Length
- The command
ls .*lists all files with a two-character filename. - The command
ls a.*lists all files with a two-character filename and the first character is 'a'. - The command
ls .*.*lists all files with at least three characters in the filename.
Filtering Files by Multiple Patterns
- The command
ls [aec]*lists all files whose name starts with 'a', 'e', or 'c'. - The command
ls [^aec]*lists all files whose name does not start with 'a', 'e', or 'c'.
Filtering Files by Case
- In Ubuntu, the command
ls [[:lower:]]*lists all files whose name starts with a lowercase alphabet. - In Ubuntu, the command
ls [[:upper:]]*lists all files whose name starts with an uppercase alphabet.
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Description
Test your knowledge of basic file listing commands with this quiz! From listing all files in a directory to displaying specific files and filtering by file extension, see how well you know the ins and outs of using the 'ls' command. Perfect for beginners and those looking to brush up on their command line skills.
