chmod Linux Commands
What is Linux chmod Command?
Explanation
chmod COMMAND:chmod command allows you to alter / Change access rights to files and directories.
File Permission is given for users,group and others as,
SYNTAX :
chmod [options] [MODE] FileName
File Permission
# File Permission
0
none
1
execute only
2
write only
3
write and execute
4
read only
5
read and execute
6
read and write
7
set all permissions
OPTIONS:
-c
Displays names of only those files whose permissions are being changed
-f
Suppress most error messages
-R
Change files and directories recursively
-v
Output version information and exit.
EXAMPLE:
- To view your files with what permission they are:
ls -alt
This command is used to view your files with what permission they are.
- To make a file readable and writable by the group and others.
chmod066file1.txt
- To allow everyone to read, write, and execute the file
chmod777file1.txt
chmod [options] [MODE] FileName
File Permission
| # | File Permission |
| 0 | none |
| 1 | execute only |
| 2 | write only |
| 3 | write and execute |
| 4 | read only |
| 5 | read and execute |
| 6 | read and write |
| 7 | set all permissions |
OPTIONS:
-c
Displays names of only those files whose permissions are being changed
-f
Suppress most error messages
-R
Change files and directories recursively
-v
Output version information and exit.
EXAMPLE:
- To view your files with what permission they are:
ls -alt
This command is used to view your files with what permission they are.
- To make a file readable and writable by the group and others.
chmod066file1.txt
- To allow everyone to read, write, and execute the file
chmod777file1.txt
| -c | Displays names of only those files whose permissions are being changed |
| -f | Suppress most error messages |
| -R | Change files and directories recursively |
| -v | Output version information and exit. |
- To view your files with what permission they are:ls -alt
This command is used to view your files with what permission they are. - To make a file readable and writable by the group and others.chmod066file1.txt
- To allow everyone to read, write, and execute the filechmod777file1.txt
