Linux Makefile Question: Download Makefile PDF

What does chmod +t do?
a) wrong syntax
b) set effective userid for filename
c) set effective groupid for filename
d) set the sticky bit

d) set the sticky bit

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Which of these commands will set the permissions on file textfile to read and write for the owner, read for the group, and nothing for everyone else? a) chmod 046 textfile b) chmod 640 textfile c) chmod 310 textfile d) chmod rw r nil textfile	The command chmod 4777 a.out: a) will set the suid bit of a.out b) will set the suid bit of a.out only if the command is issued by root c) is not a valid command d) will set the sticky bit of a.out