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712天前Character Meaning
~ Home directory
` Command substitution (archaic)
# Comment
$ Variable expression
& Background job
* String wildcard
( Start subshell
) End subshell
\ Quote next character
| Pipe
[ Start character-set wildcard
] End character-set wildcard
{ Start command block
} End command block
; Shell command separator
' Strong quote
" Weak quote
< Input redirect
> Output redirect
/ Pathname directory separator
? Single-character wildcard
! Pipeline logical NOT