Some more Bash Programming.md

To simply print

echo I like to code

Sleep: Sleep command pauses for some time as specified by the NUMBER

sleep NUMBER[SUFFIX]

To check present working directory

pwd

Navigating directories

Syntax

cd [option] [directory_name]

Option	Meaning
/	To change the current directory to Root directory
-L	This mode lets cd move directly to the directory the link is pointing to
-P	This mode is opposite of -L. It uses physical directories and does not follow symbolic links
-e	This option is only used to show an error in case the cd command fails to determine the director

Examples

To move from current directory to parent directory (Remember Linux has tree based directory structure so cd .. ( going back) means moving upward)

cd ..

To move from current directory to a different directory using relative path cd [name]

cd ..
cd etc
ls

To move from current directory to a different directory using relative path

cd ..
cd etc/R/
ls

To create a directory

mkdir [options][dir_name]
 
mkdir demo

To remove a directory

rmdir demo

Print all the files in the directory, including the hidden files as well

ls -a

Sort files/directories by time

ls -t