Http://william71.blogbus.com/logs/33484772.html755 on behalf of the user to the file has read, write, execute permissions, the same group of other people have the ability to execute and read, no write permission, the other user's permissions and the
Run the shell command in a Java program to change the permissions of the file. Ability to run on the command linechmod 777 /data/misc/123.sh "To change permissions, but when you run this command in Java code, use theRuntime.getruntime (). EXEC
Http://william71.blogbus.com/logs/33484772.htmlUnder various UNIX and Linux operating systems, each file (folder is also considered a file) is read, write, run set permissions.For example, when I use the ls-l command to list file tables, I get the
This article goes from:Personal adviceunder Ubuntu, modify the directory Permissions command as follows:chmod name(only the owner has read and write permissions)chmod 644 Name(the owner has read and write permissions, the group user only has Read
to execute shell commands in Java Code , you can run the LS command, but the command chmod 777 cannot be executed successfully. The console displays the following information: (this is part of the information)
JAVA. io. ioexception: Error
Do not exit the current window after execution!!!When you set a station's permissions on your own virtual machine, it should be chmod-r 777./* Results less pressing a point, executed chmod-r 777/* Because the execution time exceeded their expected
1. Use mkdir ("test", 777) to correct the error when programming
Try this:
mkdir ("Test", 0777);
Written as mkdir ("test", 777) may not be able to execute. But vaguely remember, used to be 777 without errors, specifically forgotten, anyway,
Brother Bird's Linux private dishes basic study: Whim decided to look at this book, although it is a very basic thing, but, is definitely not a waste of time, such as I finished reading after finally understand what the meaning of chmod777.
Writing
Under various UNIX and Linux operating systems, each file (folder is also considered a file) is read, write, run set permissions.For example, when I use the ls-l command to list file tables, I get the following output:-rw-r--r-- 1 bu users 2254 200
In linux, the chmod command for changing file permissions 1. chmod is the command for changing file permissions in linux. Common Commands include: (1) sudo chmod u + x (2) sudo chmod g + x (3) sudo chmod o + x where u, g, and o represent user, group,
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