[amp_mcq option1=”chgrp” option2=”chown” option3=”chmod” option4=”chusr E. None of the above” correct=”option3″]<\/p>\n
The correct answer is C. chmod<\/strong>.<\/p>\n chgrp<\/strong> changes the group ownership of a file. chmod<\/strong> is used to change the permissions of a file. The permissions are read, write, and execute, and they can be set for the owner, group, and others. The permissions are represented by three octal digits, one for each category. The digits can be 0, 1, or 2, and they have the following meanings:<\/p>\n For example, the permission 755 means that the owner has read, write, and execute permissions, the group has read and execute permissions, and others have read permission.<\/p>\n To change the permissions of a file, use the following syntax:<\/p>\n The The The For example, to give the owner of a file read and write permissions, you would use the following command:<\/p>\n To give the group of a file read and execute permissions, you would use the following command:<\/p>\n To give everyone read permission to a file, you would use the following command:<\/p>\n [amp_mcq option1=”chgrp” option2=”chown” option3=”chmod” option4=”chusr E. None of the above” correct=”option3″]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[675],"tags":[],"class_list":["post-17060","post","type-post","status-publish","format-standard","hentry","category-unix","no-featured-image-padding"],"yoast_head":"\n
\nchown<\/strong> changes the owner of a file.
\nchusr<\/strong> is not a valid command.<\/p>\n\n
chmod [ugoa][+-=][perms] filename<\/code><\/p>\nugoa<\/code> part specifies which users you want to change the permissions for. The options are:<\/p>\n\n
perms<\/code> part specifies the permissions you want to change. The options are:<\/p>\n\n
+<\/code> sign means to add the permission, the -<\/code> sign means to remove the permission, and the =<\/code> sign means to set the permission.<\/p>\nchmod u+rw filename<\/code><\/p>\nchmod g+rx filename<\/code><\/p>\nchmod a+r filename<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"