Are you ready to learn Linux commands? If yes then follow me here because I am going to post lists of Linux commands every day.
1. Date Command
1.Below command prints current date.
$ dateThursday 13 May 2021 10:55:51 PM IST2. In case you want to know the current date/time in UTC, use following command
$ date -uThursday 13 May 2021 05:26:08 PM UTC3. Get yesterday's date
$ date --date="yesterday"Wednesday 12 May 2021 10:58:27 PM IST4. Get 20 day's ago date
$ date --date="20 days ago"Friday 23 April 2021 10:58:43 PM IST2. Cal Command
cal command is used to display a calendar in your shell, by default it will display the current month
1. Current month calendar
$ cal May 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 30 312. Calendar of specific month & year (Eg: July 2019)
$ cal July 2019 July 2019 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 30 313. whoami command
This command will display user account of system
$ whoamiaditya4. id command
User related all information
$ iduid=1000(aditya) gid=1000(aditya) groups=1000(aditya),4(adm),24(cdrom),27(sudo),30(dip),46(plugdev),120(lpadmin),131(lxd),132(sambashare)5. pwd
This command will print relative path of preset working directory i.e your current directory location
$ pwd/home/aditya6. cd command
You can leverage this command to navigate back and forth withing directories.
aditya@:~$ pwd/home/adityaaditya@:~$ cd test/aditya@:test$ pwd/home/aditya/testaditya@:test$ cd ..aditya@:~$ pwd/home/aditya Syntax of above command to enter in particular directory iscd path_to_dir and to navigate one step down the directory iscd ..
7. ls command
1. To list files and directories inside directory
$ ls arrow.png bitmap.png Desktop Documents Downloads Music Pictures Public snap Templates test Videos 'VirtualBox VMs'2. Get detail view
$ ls -ltotal 76-rw-rw-r-- 1 aditya aditya 8888 Apr 14 15:57 arrow.png-rw-rw-r-- 1 aditya aditya 8888 Apr 14 15:56 bitmap.pngdrwxr-xr-x 2 aditya aditya 4096 Feb 16 15:41 Desktopdrwxr-xr-x 17 aditya aditya 4096 May 10 11:54 Documentsdrwxr-xr-x 23 aditya aditya 12288 May 13 21:16 Downloadsdrwxr-xr-x 2 aditya aditya 4096 Feb 16 10:57 Musicdrwxr-xr-x 2 aditya aditya 4096 May 13 22:30 Picturesdrwxr-xr-x 2 aditya aditya 4096 Feb 16 10:57 Publicdrwxr-xr-x 10 aditya aditya 4096 May 5 09:14 snapdrwxr-xr-x 2 aditya aditya 4096 Feb 16 10:57 Templatesdrwxrwxr-x 2 aditya aditya 4096 May 13 23:08 testdrwxr-xr-x 4 aditya aditya 4096 Apr 27 12:04 Videosdrwxrwxr-x 4 aditya aditya 4096 May 8 12:14 'VirtualBox VMs'8. mkdir command
Want to create directory? here you go fire following command
aditya@:test$ mkdir testdiraditya@:test$ lstestdir9. rm command
Want to delete directory? fire follwing command
aditya@:test$ rm -rf testdir/aditya@:test$ lsaditya@:test$10. touch command
1. Create empty files using touch command
aditya@:test$ lsaditya@:test$ touch test.txtaditya@:test$ lstest.txt2. Create 10 empty files using touch.
aditya@:test$ touch text.txt{1..10}aditya@:test$ lstext.txt1 text.txt10 text.txt2 text.txt3 text.txt4 text.txt5 text.txt6 text.txt7 text.txt8 text.txt9Did you liked this post.? If yes then this is not the end I am going to post more such beginner level command and then later going to go more in details this series is going to make you go from beginner to pro Linux administrator... !!! Stay tuned !!!!!
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