Linux Commands

Common Commands :

file (filename) - Returns the type of file less (filename) - Shows the file line by line instead of flooding everything

ln file1.txt file2.txt - Creates a hard link for the 2 files ln -s file1.txt file2.txt - Creates a soft link for the 2 files

which (Exacutable Name) - Returns the location of the Executable (Only works for executable)

cat -n (file name) - Returns content of the file with number of lines printed

diff (file1) (file2) - Compares both the files and gives the difference

Creating own command :

To create a custom command which when ran executes your script.sh :

1. Make it executable
2. Move it to `~/.local/bin/(Command-Name)
3. Check if ~/.local/bin is in _$PAT{H}_{(}‘echo$PATH | grep ~/.local/bin`)
4. If not then add it in PATH (echo 'export PATH="$HOME/.local/bin:$PATH"' >> ~/.bashrc) and then source ~/.bashrc
5. Now simply type (Command-Name) in CLI and the script is executed