1
pwd                    # 当前目录
2
ls -lah                # 包含隐藏文件和可读大小
3
cd /path/to/dir
4
mkdir -p app/logs
5
cp -a source target    # 尽量保留属性
6
mv old new
7
rm -i file             # 删除前确认
8
find . -type f -name '*.log'

1
cat file.txt
2
less file.txt
3
head -n 20 file.txt
4
tail -n 100 file.txt
5
tail -f app.log
6
wc -l file.txt
7
file archive.tar.gz

1
grep -Rni 'error' ./logs
2
grep -v '^#' app.conf
3
cut -d: -f1 /etc/passwd
4
sort names.txt | uniq -c | sort -nr
5
sed -n '10,30p' file.txt
6
awk '{print $1, $NF}' access.log

1
journalctl -u nginx --since today | grep -i error | tail -n 50

1
tar -czf backup.tar.gz directory/
2
tar -xzf backup.tar.gz
3
zip -r backup.zip directory/
4
unzip backup.zip

1
uname -a
2
cat /etc/os-release
3
hostnamectl
4
uptime
5
date
6
timedatectl
7
free -h
8
lscpu
9
lsblk

1
ps aux
2
ps -ef | grep process-name
3
pgrep -af process-name
4
top
5
kill PID
6
kill -TERM PID

1
kill -KILL PID

1
ip address
2
ip route
3
ss -lntup
4
ping -c 4 example.com
5
curl -I https://example.com
6
curl -v https://example.com
7
getent hosts example.com

1
id
2
whoami
3
sudo -l
4
chmod u+x script.sh
5
chown user:group file

1
man command
2
command --help
3
apropos keyword
4
type command