Table of contents
Day 2 Task Linux Command
Hi 👋there,
Now we are on the Day 2 task of the Linux Basic command.
What is Linux?
Linux is a free and open-source operating system (OS) that was created by Linus Torvalds in 1991. It is based on the Unix operating system.
Linux is known for its stability, security, and flexibility.
There are many different versions of Linux, known as “distributions,” each with its unique features and capabilities. Some of the most popular distributions include Ubuntu, CentOS, and Red Hat Enterprise Linux.
Basic Linux Command?
ls – The most frequently used command in Linux to list directories
pwd – Print working directory command in Linux
cd – Linux command to navigate through directories
mkdir – Command used to create directories in Linux
mv – Move or rename files in Linux
cp – Similar usage as mv but for copying files in Linux
rm – Delete files or directories
touch – Create blank/empty files
ln – Create symbolic links (shortcuts) to other files
cat – Display file contents on the terminal
clear – Clear the terminal display
echo – Print any text that follows the command
less – Linux command to display paged outputs in the terminal
man – Access manual pages for all Linux commands
name – Linux command to get basic information about the OS
whoami – Get the active username
tar – Command to extract and compress files in Linux
grep – Search for a string within an output.
head – Return the specified number of lines from the top
tail – Return the specified number of lines from the bottom
diff – Find the difference between two files
CMP – Allows you to check if two files are identical
comm – Combines the functionality of diff and cmp
sort – Linux command to sort the content of a file while outputting
export – Export environment variables in Linux.
zip – Zip files in Linux
unzip – Unzip files in Linux
ssh – Secure Shell command in Linux
service – Linux command to start and stop services
ps – Display active processes
kill and kill all – Kill active processes by process ID or name
df – Display disk filesystem information
mount – Mount file systems in Linux
chmod – command to change file permissions
chown – Command for granting ownership of files or folders
ifconfig – Display network interfaces and IP addresses
traceroute – Trace all the network hops to reach the destination
wget – Direct download files from the internet
apt, Pacman, yum, rpm – Package managers depending on the distro
sudo – Command to escalate privileges in Linux
ls -l - list
check the present working directory.
The “pwd” command stands for “print working directory.” It is used to display the full path of the current working directory.
List all the files or directories including hidden files. ls -a?
ls is a command that is used to list the files and directories in a directory. The -la option tells ls to display the files in a long format and include hidden files.
ls -la
How to create a nested directory A/B/C/D/E mkdir -p A/B/C/D
The command to create a nested directory is mkdir -p A/B/C/D/E. The -p switch creates parents’ directories
Please, feel free to drop any questions in the comments below. I would be happy to answer them.
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_sandhya kumari