more xxx.txt
cat xxx.txt
tac xxx.txt
head xxx.txt
head -5 xxx.txt
tail -50 xxx.txt
find
find /home/uibs *xxx
whereis ls
whereis find
echo &PATH (doc: echo %path%)
ln(链接)
ln xxx.txt 4.txt
ln -s xxx.txt 5.txt (软链接)
more xxx.txt
cat xxx.txt
tac xxx.txt
head xxx.txt
head -5 xxx.txt
tail -50 xxx.txt
find
find /home/uibs *xxx
whereis ls
whereis find
echo &PATH (doc: echo %path%)
ln(链接)
ln xxx.txt 4.txt
ln -s xxx.txt 5.txt (软链接)
原文：https://www.cnblogs.com/cpyeah/p/8424361.html