Basic Linux Commands
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ls--> The ls command is used to list files or directories in Linux and other Unix-based operating systems.
ls -l--> Type the ls -l command to list the contents of the directory in a table format with columns including.- content permissions - number of links to the content - owner of the content - group owner of the content - size of the content in bytes - last modified date / time of the content - file or directory name
ls -a--> Type the ls -a command to list files or directories including hidden files or directories. In Linux, anything that begins with a . is considered a hidden file.
ls *.sh-->
ls -i--> List the files and directories with index numbers in oders
ls -d */--> Type the ls -d */ command to list only directories.
Directory commands
pwd--> Print work directory. Gives the present working directory.
cd path_to_directory--> Change directory to the provided path.
cd ~or justcd--> Change directory to the home directory.
cd ---> Go to the last working directory.
cd ..--> Chnage directory to one step back.
cd ../..--> Use ls ../.. for contents two levels above.
mkdir directoryName--> Use to make a directory in a specific location
mkdir .NewFolder--> Make a hidden directory (also . before a file to make it hidden)
mkdir A B C D--> Make multiple directories at the same time.
mkdir /home/user/Mydirectory--> make a new folder in a specific location
mkdir -p A/B/C/D--> Make a nested directory
