In linux there the file access is based under three categories<\/p>\n
\r\n CurrentUser - Users in Group - Other Users\r\n<\/pre>\n\r\n drwxr-xr-x \r\n<\/pre>\n
\ndrwxr – CurrentUser can read, write and execute
\nxr – Users in Group can read and execute
\nx – Users can execute
\n<\/em><\/p>\n\r\n >>ls -l\r\n-rw-r--r-- 1 root root 0 Apr 14 17:19 test.txt \r\n<\/pre>\nThe test.txt file has only Read and Write access (rw) for Current User – Read access for Users in Group – Read access for other Users<\/p>\n
\r\n >>chmod u+x test.txt\r\n<\/pre>\nNow the test.txt file has Execute access along with Read and Write as below<\/p>\n
\r\n >>ls -l\r\n-rwxr--r-- 1 root root 0 Apr 14 17:19 test.txt\r\n<\/pre>\nGiving Read wrtite to Group<\/strong><\/p>\n
\r\n >>chmod g+r test.txt\r\n<\/pre>\nGiving read right to Current User, Group Users and Other Users<\/strong><\/p>\n
\r\n >>chmod a+r test.txt\r\n<\/pre>\nGiving Execute right to Other Users<\/strong><\/p>\n
\r\n >>chmod o+x test.txt\r\n<\/pre>\nrwx<\/strong> – 111 7
\nr-x<\/strong> – 101 5
\nrw-<\/strong> – 110 6
\nrw-<\/strong> – 101 4
\n-wx<\/strong> – 011 3
\n-w-<\/strong> – 010 2
\n–x<\/strong> – 001 1
\n—<\/strong> – 000 0<\/p>\nExample of binary format<\/strong><\/p>\n
\r\n >>chmod 752 test.txt\r\n<\/pre>\nCurrent User can rwx
\nGroup User can r-x
\nOther User can -w-<\/p>\nGiving Multiple Permission for Multiple User Types at Once<\/strong><\/p>\n
\r\n >>chmod u+r, o+x test.txt\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"In linux there the file access is based under three categories CurrentUser – Users in Group – Other Users drwxr-xr-x drwxr – CurrentUser can read, write and execute xr – Users in Group can read and execute x – Users can execute >>ls -l -rw-r–r– 1 root root 0 Apr 14 17:19 test.txt The test.txt… Continue reading