sample/pgm2.txt at master · divyadavis/sample · GitHub

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mca@mca-OptiPlex-5055-Ryzen-CPU:~/xx$ sudo userdel yy
mca@mca-OptiPlex-5055-Ryzen-CPU:~/xx$ ls -l
total 0
-rw-rw-r-- 1 1005 mca 0 Jan 30 14:06 xfile.txt


mca@mca-OptiPlex-5055-Ryzen-CPU:~$ sudo useradd -m yy


mca@mca-OptiPlex-5055-Ryzen-CPU:~$ sudo groupadd sales
mca@mca-OptiPlex-5055-Ryzen-CPU:~$ sudo usermod -g sales usr1


mca@mca-OptiPlex-5055-Ryzen-CPU:~$ sudo usermod -p pass123 usr1


redirection:

mca@mca-OptiPlex-5055-Ryzen-CPU:~/mca/divya$ cat > file.txt
ffffff
ffffff
:wq
^Amca@mca-OptiPlex-5055-Ryzen-CPU:~/mca/divya$ date >> file1

mca@mca-OptiPlex-5055-Ryzen-CPU:~/mca/divya$ cat < file.txt
ffffff
ffffff


pipelin:

mca@mca-OptiPlex-5055-Ryzen-CPU:~/mca/divya$ ls | more
file1
file.txt
pgm1
pgm2.txt
sample.txt
sam.txt
system design-cycle.docx
systemdesignmaterials2.odt
system design-materials.odt
Unix_Linux Lesson 2_ cp, mv, rm, rmdir, cat, more, head, tail, grep, wc.html
mca@mca-OptiPlex-5055-Ryzen-CPU:~/mca/divya$ who | sort
mca      tty7         2019-01-30 13:08 (:0)


login:


mca@mca-OptiPlex-5055-Ryzen-CPU:~/mca/divya$ sudo passwd divya
[sudo] password for mca:
Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully