Linux System File Lookup

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Command	Introduced	Common parameters
which	Executable file or command lookup The lookup order is: ① aliases (alias) ② $PATH
Whereis	More complete than which
Slocate	Find in database, because the database is not real-time update, sometimes need to manually execute UpdateDB update database
locate
find		–type –name –group –perm –size –mtime
Grep	Search by string	-I ignore uppercase and lowercase -V--invert-match -W Match Word --color

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Linux System File Lookup