1. Linuxga kirish

7-lesson.File ichidagi satrlarni har xil ko’rinishda ko’rish
1.head (boshlang’ich 10 qatorni ko’rish)
head -5
2.tail (oxirgi 10 qatorni ko’rish)
tail -3
3.cat (to’liq ko’rish)
4.less (to’liq,boshdan oxirigacha)
5.more (to’liq,boshdan oxirigacha)
6.tac (teskari ko’rish)
7.echo (aks-sado,o’zimiz yozgan qatorni ekranga chiqarish)
Echo -e “ “ ; /n; /t;


Ba’zi foydali simvollar

1. 
   ‘ ‘ “ “
   
2. 
   Date;cal;ech hello world
   
3. 
   echo hello world \
   

Uzbekistan\
Salom\

4.echo -e “hello \n world”

Echo -e “hello \n Uzbekistan\n salom”
5.echo -e “hello \t world”
6.# (komentariya)
Echo hello world # salom dunyo (history bilan ko’rib o’tamiz)
7.sleep 10 &
8.echo hello && echo world (Logicheskiy amal)
9.echo hello || echo bye (yoki amali)
10.ls file*
11.ls file?
12.echo hello world > linux.txt (o’chirib yozadi)
13.echo hello world > linux.txt (pastidan yozadi)
14.file /etc/text.txt (qaysi formatda ekanligini aytadi)
15.which ls (Biz ishlatayotgan komandani qayerda olib ishlatayotganini ko’rsatadi)
16.alias rm = “rm -r “
unalias rm
8-lesson.Amaliy.

9-lesson.Matn tahrirlash bilan ishlash
Nano – foydalanish uchun onson.
Vim – murakkab,lekin amallarni bajarish juda qiyin.
>apt update
>nano //file.txt
Ctrl+o (saqlaydi)
Ctrl+x (chiqib ketish)
Ctrl+c (oxirgi qilgan amalni bekor qilish)
Ctrl+w (izlash)
Shift strelka bilan belgilaymiz.alt+shift+6 bilan copy qilamiz.
Ctrl+u (undo) (paste qilish)
Ctrl+k (belgilangan matnni kesib oladi)
Ctrl+u (undo) (paste qilish)
Alt+u
Alt+e
Vim
command mode
insert mode
>apt install vim
I ,i (insert rejimiga o’tish) >vim //text.txt

:w (write – saqlash)

:w /
/file_name
:q (quit) chiqib ketish
:wq (saqlab chiqib ketish)
:q! (saqlamasdan chiqib ketish)

:r /
/file (faylni o’qib olish)

:r !
:r !ls/
:set number (file qatorlarini raqamlash)
:76 (76-qatorga o’tish)
/ (kursordan pastga qarab izlaydi) n (next)-keyingi topilgan so’zga o’tish
? (kursordan yuqoriga qarab izlaydi
:0;$ s/salom/hayr/g
:6,15 s/salom/hayr/g

yy (yanked) – qatorni copy qiladi

p (paste)
3yy (3 qatorni copy qilish)
dd(delete)
2dd
x (1 ta simvolni o’chirish)
r (replace) o’rniga qo’yish
d0 (kursordan chapni o’chiradi)
d$ (kursordan o’ngni o’chiradi)
0 (kursorni satr boshiga olib boorish)
$ (kursorni satr oxiriga olib borish)
U (undo) – tiklamoq
. (oxirgi amalni takrorlash)