#90DayDevOpsChallange #Day 2

Hello Friends, now I am starting #90day DevOps challenge. Today is my Day 2 and we study some Linux commands. ##90daysofdevops chanllenge Shubham Londhe

Basic Linux commands

Listing commands

ls option_flag arguments --> list the sub directories and files avaiable in the present directory

Examples:

• ls -l--> list the files and directories in long list format with extra information

• ls -a --> list all including hidden files and directory

• ls *.sh --> list all the files having .sh extension.

• ls -i --> list the files and directories with index numbers inodes

• ls -d */ --> list only directories.(we can also specify a pattern)

• ll —> list all the file permission and all link and all info

Directoy commands

• pwd --> print work directory. Gives the present working directory.

• cd path_to_directory --> change directory to the provided path

• cd ~ or just cd --> change directory to the home directory

• cd - --> Go to the last working directory.

• cd .. --> change directory to one step back.

• cd ../.. --> Change directory to 2 levels back.

• mkdir directoryName --> to make a directory in a specific location

• touch —> create new file in specific location

• touch -p path of directory and file name -→ create file with the directory to inside directory

• ex. touch /home/ubuntu/day2/day.txt

• mkdir -p path of directory - ->create directory inside directory with relative path

• touch file name {range} - - > create multiple file in single command

• mkdir directory name {range} - - >create multiple directory in single command

• vim/vi/echo - - > using this also we can create new file

•