DevOps Day#2

Listing of basic Linux commands :

Listing commands:

• List the sub directories and files avaiable in the present directory

    ls option_flag arguments
  

Examples:

• List the files and directories in long list format with extra information

    ls -l
  

• List all including hidden files and directory

    ls -a
  

• List all the files having .sh extension.

    ls *.sh
  

• List the files and directories with index numbers inodes

    ls -i
  

• List only directories.(we can also specify a pattern)

    ls -d */
  

Directoy commands

• Print work directory. Gives the present working directory.

    pwd
  

• Change directory to the provided path

    cd path to directory
    cd devops ("devops" directory name)
  

• Change directory to the home directory

    cd ~ or just cd
  

• Go to the last working directory.

    cd -
  

• Change directory to one step back.

    cd ..
  

• Change directory to 2 levels back.

    cd ../..
  

• To make a directory in a specific location

    mkdir directoryName
  

Examples:

mkdir newFolder              # make a new folder 'newFolder'

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