比思論壇
標題:
Linux命令详解-tr aliase
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作者:
chaoreng2025
時間:
7 天前
標題:
Linux命令详解-tr aliase
tr：转换或删除字符 tr
[
OPTION
...
SET1
[
SET2
例如# tr ab
AB
把小写ab都换位大写
AB
-
d：可以实现删除出现在字符集中的所有字符
aliase：定义shell命令的别名 alias
CMDALIAS
=
COMMAND
unalias
CMDALIAS
是撤销命令别名
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