Lesson 2 - Create files, display contents and stats
dheeraj koranga1 min read
touch:
- Creates an empty file if it doesn’t already exist or updates the last modified timestamp of an existing file.
dir:- Lists the contents of a directory, similar to the
lscommand. It's more common on Windows, but it also works in some Linux shells.
- Lists the contents of a directory, similar to the
echo:- Prints (echoes) a string of text or variables to the terminal. Often used to display messages or pass information to files or other commands.
cat(>) file.txt- It is used to write content in it (note that it will re-write text into the file)
cat( to display the content)
- Concatenates and displays the contents of files. It's commonly used to view the content of a file.
cat(\>>) file.txt- It will append the text to the file
head:- Displays the first few lines of a file (default is 10 lines). You can customize the number of lines with the
-noption
- Displays the first few lines of a file (default is 10 lines). You can customize the number of lines with the
tail:- Displays the last few lines of a file (default is 10 lines). Useful for monitoring logs or files that are constantly updated.
stat:- Displays detailed information about a file or file system, including size, permissions, creation/modification times, and more.
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