一緒にlinuxを勉強しましょう
6224 ワード
1. linux
/dev
/boot
/lib
/bin ( )
/sbin
/usr
/var ( /mysql )
/mnt (u )
/home
/root
/etc
/opt
2. - #
3. ~ # ( root cd ~ root , gyk cd ~ gyk )
4. w #
5. :
vim aa.txt # , ,
touch aa.txt # ( , )
mkdir
-p #
mkdir -p /tmp/python_test/tests.py
mkdir -p ./a/c ./b/d #
6. :
rm
-f #
-r #
rm -rf * #
7. :
mv ,
mv aa.txt bb.py #
mv ./aa.txt tmp # aa.txt tmp
8. :
cat aa.txt # ( , )
more aa.txt # , enter
head -10 aa.txt # 10
tail 4 aa.txt # 4
ls #
-l #
-a # ( )
-h #
9. :
useradd alex # ,
passwd alex #
10. / path
1. echo $PATH path
/usr/local/sbin:
/usr/local/bin:
/usr/sbin:
/usr/bin:
/root/bin
2. linux python3 , ?
/opt/python3/bin/python3.6
path
PATH=/opt/python3/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin
11. whoami #
12. which python2 #
13. linux
1.
echo $PS1
### [\u@\h \W]\$
2.
PS1="[\u@\h \w \t]\$"
14. set nu # ( )
15. echo
echo "aa.txt" > aa.txt # echo
echo "nihaoa" >> aa.txt # echo
16.
cp aa.txt bb.txt # aa.txt bb.txt
cp ./opt/aa.txt ./tmp/bb.txt # aa.txt /tmp bb.txt
cp -r #