1. Linuxga kirish

Sort (filtrlash)
1.>sort
(alifbo tartibida saralash)
2.>sort -r (reverse-teskari) (Teskari alifbo tartibida sortlash)
3.man sort (optionlarni ko’rish)
Fileni o’rganish(qator,simvol,so’z)
1.wc utkir.txt (watch character)
2.wc [option]
-l (line-qator)
-w (word-so’z)
-c (cymbol-simvollar soni)
Serverga ulangan userlarni ko’rsatish
1.>who (hozirda sistemaga kimlar ulanganligini ko’rsatadi)
>w (Kim nima qilyotganini ko’rish)

(>) bizdan chiqayotgan ma’lumotni yo’naltirish)

>echo hello > test.txt
PIPE (|) Birinchi komandadan chiqqan natijani boshqa komandaga yo’naltiradi
>cat fayl.txt | less
>sudo apt list | wc -l
>sudo apt list | grep htop
>sudo ls /home/* | grep Utkir


13-lesson.Users and Groups

1. 
   -root user
   

-admin user
-standart user
-service user
2.ls /etc/passwd;
Ls /etc/shadow;
Ls /etc/group
>sudo cat /etc/passwd | grep hojiakbar
User yaratish
>sudo useradd -c “Utkir_Sultanov” -m -s /bin/bash Utkir
>sudo passwd Utkir (userga parol qo’yish)
>su -
>pwd
>sudo usermod -c “Full name”
Userni boshqa guruhga qo’shish
>sudo usermod -aG sudo Utkir
>sudo echo hello
>sudo usermod -L Utkir (Lock) (userni sistemaga kirolmaydigan qilib qulflab qo’yadi)
>sudo usermod -U utkir (unlock) (qulfni ochmoq)
>sudo userdel Utkir (oddiy o’chirish)
>sudo userdel -rf Utkir (userni home papkasi bilan o’chirish)
Guruhga qo’shish,rejimni o’zgartirish,o’chirish
1.>groupadd testgroup1
2.>groupmod -n testgroup2 testgroup1 (change name of group)
3.>groupdel testgroup2