oleg20111511
44 lines
714 B
Plaintext
44 lines
714 B
Plaintext
Symbolic mode:
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chmod who-+=permission filename
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"who-+=permission" section can be repeated for different combos with a comma ,
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who:
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u - user
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g - group
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o - other
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a - all
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permissions:
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r - read
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w - write
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x - execute
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X - execute only if the file is a directory or already has execute permission for some user
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s - set user or group ID on execution (????)
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t - sticky bit (????)
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chmod u=rwx,g=rx,o-rwx filename
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Number mode
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chmod user_permission..group_permission..other_permission filename
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0 <= permission <= 7
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permissions:
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>>> for i in range (8):
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... print(i, bin(i))
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...
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0 0b000
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1 0b001
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2 0b010
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3 0b011
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4 0b100
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5 0b101
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6 0b110
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7 0b111
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n __rwx
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chmod 754 filename
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binary breakdown:
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chmod 111 101 100 filename
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