User management practice commands
535 less /etc/passwd
536 cut -d: -f1 /etc/passwd
537 cut -d: -f2 /etc/passwd
538 cut -d: -f3 /etc/passwd
539 cut -d: -f4 /etc/passwd
540 cut -d: -f5 /etc/passwd
541 less /etc/passwd | grep balu
542 less /etc/passwd | grep apache
543 less /etc/passwd
544 c
545 less /etc/passwd | grep suma
546 less /etc/passwd | grep
547 c
548 useradd ipo
549 passwd ipo
550 usermod -aG wheel ipo
551 vi - ipo
552 su - ipo
553 c
554 useradds -D
555 c
556 usermod -c 'iso' ipo
557 tail -f /etc/passwd
558 tail --help
559 c
560 userdel -r ipo
561 kill -9 2528
562 c
563 su - ipo
564 userdel -r suneel3
565 ps -ef|grep 3385
566 ps -ef|grep suneel3
567 kill -9 suneel3
568 kill -9 3385
569 c
570 ls -la /etc/skell
571 ls -la /etc/skel
572 useradd -m -d /home/bala -c "it_member" bala
573 useradd --help
574 c
575 useradd suneel -u 550
576 tail -f /etc/passwd
577 usermod -l balu
578 usermod -l balu go
579 usermod -l go balu
580 useradd suneel
581 useradd suneel2
582 usermod -l suneel3 suneel2
583 su - suneel3
584 usermod -s /bin/bash balu
585 usermod -s /bin/sh balu
586 su - balu
587 c
588 usermod -L suneel
589 tail /etc/passwd
590 tail /etc/shadow
591 usermod -U suneel
592 tail /etc/shadow
593 chage -l suneel
594 chage suneel
595 chage -l suneel
596 chage suneel
597 chage -l suneel
598 chage -1 suneel
599 chage 1 suneel
600 chage -1 suneel
601 c
602 chage 1 suneel
603 chage -m 2 suneel
604 chage -M 10 suneel
605 chage -W 10 suneel
606 chage -W 3 suneel
607 chage -I 0 suneel
608 chage -l suneel
609 c
610 chage -E "2009-05-31" suneel
611 chage -l suneel
612 chage -E "2020-03-15" suneel
613 chage -l suneel
614 history
615 c
616 echo $shell
617 echo $SHELL
618 chsh
619 chsh -s /bin/sh
620 chsh -s /bin/bash
621 chsh -s /bin/bash bala
622 chsh -s /bin/sh bala
623 c
624 groupadd software
625 less /etc/group
626 less /etc/group|grep softwa*
627 less /etc/group|grep softwa
628 less /etc/gshadow
629 groupmod balu software
630 groupmod software balu
631 groupmod -G software balu
632 groupmod -n balu software
633 groupmod -n bala software
634 tail -10 /etc/group
635 cut -d: -f1 /etc/group
636 groupmod -g 500 software
637 cut -d: -f2 /etc/group
638 cut -d: -f3 /etc/group
639 c
640 groupmod -n it software
641 groupmod -o 501 500 software
642 groupmod -o 500 501 software
643 groupmod -p raghu it
644 tail -10 /etc/gshadow
645 groupmod -p it
646 groupmod -G balu it
647 usermod -aG it suneel
648 less /etc/group
649 less /etc/passwd
650 less /etc/passwd|grep sun
651 less /etc/group|grep sun
652 gpasswd -M bala balu suneel suneel2 it
653 gpasswd -M bala,balu,suneel,suneel2 it
654 gpasswd -M bala,balu,suneel it
655 less /etc/group|grep it
656 gpasswd -a suma it
657 less /etc/group|grep it
658 less /etc/group|grep suma
659 gpasswd -a suma it
660 gpasswd -A suma it
661 less /etc/group|grep suma
662 less /etc/gshadow|grep suma
663 gpasswd -A suneel it
664 less /etc/gshadow|grep suma
665 gpasswd -d suma it
666 less /etc/group|grep suma
667 system-config-users&
668 system-config-users &
669 c
670 history >his.txt
671 c
672 usermod -L suneel
673 passwd suneel
674 su - suneel
675 c
676 history >h1.txt
677 less h1.txt
678 c
679 scp h1.txt apple@192.168.0.100:/Users/apple
536 cut -d: -f1 /etc/passwd
537 cut -d: -f2 /etc/passwd
538 cut -d: -f3 /etc/passwd
539 cut -d: -f4 /etc/passwd
540 cut -d: -f5 /etc/passwd
541 less /etc/passwd | grep balu
542 less /etc/passwd | grep apache
543 less /etc/passwd
544 c
545 less /etc/passwd | grep suma
546 less /etc/passwd | grep
547 c
548 useradd ipo
549 passwd ipo
550 usermod -aG wheel ipo
551 vi - ipo
552 su - ipo
553 c
554 useradds -D
555 c
556 usermod -c 'iso' ipo
557 tail -f /etc/passwd
558 tail --help
559 c
560 userdel -r ipo
561 kill -9 2528
562 c
563 su - ipo
564 userdel -r suneel3
565 ps -ef|grep 3385
566 ps -ef|grep suneel3
567 kill -9 suneel3
568 kill -9 3385
569 c
570 ls -la /etc/skell
571 ls -la /etc/skel
572 useradd -m -d /home/bala -c "it_member" bala
573 useradd --help
574 c
575 useradd suneel -u 550
576 tail -f /etc/passwd
577 usermod -l balu
578 usermod -l balu go
579 usermod -l go balu
580 useradd suneel
581 useradd suneel2
582 usermod -l suneel3 suneel2
583 su - suneel3
584 usermod -s /bin/bash balu
585 usermod -s /bin/sh balu
586 su - balu
587 c
588 usermod -L suneel
589 tail /etc/passwd
590 tail /etc/shadow
591 usermod -U suneel
592 tail /etc/shadow
593 chage -l suneel
594 chage suneel
595 chage -l suneel
596 chage suneel
597 chage -l suneel
598 chage -1 suneel
599 chage 1 suneel
600 chage -1 suneel
601 c
602 chage 1 suneel
603 chage -m 2 suneel
604 chage -M 10 suneel
605 chage -W 10 suneel
606 chage -W 3 suneel
607 chage -I 0 suneel
608 chage -l suneel
609 c
610 chage -E "2009-05-31" suneel
611 chage -l suneel
612 chage -E "2020-03-15" suneel
613 chage -l suneel
614 history
615 c
616 echo $shell
617 echo $SHELL
618 chsh
619 chsh -s /bin/sh
620 chsh -s /bin/bash
621 chsh -s /bin/bash bala
622 chsh -s /bin/sh bala
623 c
624 groupadd software
625 less /etc/group
626 less /etc/group|grep softwa*
627 less /etc/group|grep softwa
628 less /etc/gshadow
629 groupmod balu software
630 groupmod software balu
631 groupmod -G software balu
632 groupmod -n balu software
633 groupmod -n bala software
634 tail -10 /etc/group
635 cut -d: -f1 /etc/group
636 groupmod -g 500 software
637 cut -d: -f2 /etc/group
638 cut -d: -f3 /etc/group
639 c
640 groupmod -n it software
641 groupmod -o 501 500 software
642 groupmod -o 500 501 software
643 groupmod -p raghu it
644 tail -10 /etc/gshadow
645 groupmod -p it
646 groupmod -G balu it
647 usermod -aG it suneel
648 less /etc/group
649 less /etc/passwd
650 less /etc/passwd|grep sun
651 less /etc/group|grep sun
652 gpasswd -M bala balu suneel suneel2 it
653 gpasswd -M bala,balu,suneel,suneel2 it
654 gpasswd -M bala,balu,suneel it
655 less /etc/group|grep it
656 gpasswd -a suma it
657 less /etc/group|grep it
658 less /etc/group|grep suma
659 gpasswd -a suma it
660 gpasswd -A suma it
661 less /etc/group|grep suma
662 less /etc/gshadow|grep suma
663 gpasswd -A suneel it
664 less /etc/gshadow|grep suma
665 gpasswd -d suma it
666 less /etc/group|grep suma
667 system-config-users&
668 system-config-users &
669 c
670 history >his.txt
671 c
672 usermod -L suneel
673 passwd suneel
674 su - suneel
675 c
676 history >h1.txt
677 less h1.txt
678 c
679 scp h1.txt apple@192.168.0.100:/Users/apple