Basic Unix commands

If you are a windows user and haven't installed Ubuntu in your windows machine make sure you check out the guide on how to install ubuntu CLI in your system without virtual machine.

Practice the basic commands of Linux/Unix.

1. Cal command

Syntax: cal [options] [month] [year]

Description: Cal displays a simple calendar.

tkanu025@hp:~$ cal
January 2021
Su Mo Tu We Th Fr Sa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
tkanu025@hp:~$ cal 01 2021
January 2021
Su Mo Tu We Th Fr Sa
1 2
3 4 5 6 7 8 9
10 11 12 13 14 15 16
17 18 19 20 21 22 23
24 25 26 27 28 29 30
31
tkanu025@hp:~$
view raw unix-cal.sh hosted with ❤ by GitHub
Output

unix - cal

2. Clear command

Description: It clears the terminal screen.

  • It clears your screen if this is possible, including its scroll back buffer.
  • Clear ignores any command-line parameters that may be present.

Syntax: clear

tkanu025@hp:~$ clear
view raw clear.sh hosted with ❤ by GitHub
Output

Unix clear


3. pwd: Displays the path of the present working directory.

Syntax: pwd [options]

tkanu025@hp:~$ pwd
/home/tkanu025
tkanu025@hp:~$
view raw unix-pwd.sh hosted with ❤ by GitHub

Output

Unix pwd


4. cd command

Description: 

  • It is used to change the directory.
  • Used to navigate through different directories using Command line interface.
  • .. is used with cd to go back to the previous directory.

Syntax: cd [directory name]

cd ~ is used to go to the home directory.

tkanu025@hp:~$ pwd
/home/tkanu025
tkanu025@hp:~$ cd ff-series
tkanu025@hp:~/ff-series$ pwd
/home/tkanu025/ff-series
tkanu025@hp:~/ff-series$ cd ff9
tkanu025@hp:~/ff-series/ff9$ pwd
/home/tkanu025/ff-series/ff9
tkanu025@hp:~/ff-series/ff9$ cd ..
tkanu025@hp:~/ff-series$ cd ~
tkanu025@hp:~$
view raw Unix-cd.sh hosted with ❤ by GitHub

Output

unix pwd

5. Exit command

It is used to terminate a program or shell.

syntax : exit

tkanu025@hp:~$ exit
view raw Unix-exit.sh hosted with ❤ by GitHub

It will close your terminal and no output will be there😅.

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Comments

Akshit said…
No need to add pictures now ,the github shell works perfectly.
January 4, 2021 at 2:23 PM
Kanu Thakor said…
thanks for your feedback. If most of the people are agree with this than I will change it in that way.
January 4, 2021 at 2:26 PM
Akshit said…
👍
Btw how did you integrate this with github?
January 4, 2021 at 2:28 PM
Kanu Thakor said…
It is through GitHub Gist. I can make a step by step guide for that.
let me know If you want.
January 4, 2021 at 3:07 PM
Vishwesh Patel said…
You may continue with this format
January 4, 2021 at 3:35 PM
Anonymous said…
It is looking good with output so no need to remove images. I liked it.
January 4, 2021 at 9:14 PM
Anonymous said…
It is amazing loved it. Keep going and keep writing such notes. It looks so amazing and so cool to read.
January 4, 2021 at 9:18 PM
Kanu Thakor said…
thanks for your valuable words and Keep enjoying
January 5, 2021 at 12:31 AM
Atul kharat said…
It's very helpful and created such a way to revise all commands quickly thank for that
January 5, 2021 at 7:24 AM
Unknown said…
Nice work Keep it up bro
January 5, 2021 at 10:48 AM
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