The main advantage is not really that it saves disk space (though it does that too) but, rather, that a change of permissions on the file is applied to all the link access points. The link will show permissions of lrwxrwxrwx but that is for the link itself and not the access to the file
Question: How to find all of the files which have been accessed within the last 30 days? Answer: find / -type f -atime -30 > December.filesThis command will find all the files under root, which is ‘/’, with file type is file. ‘-atime -30′ will give all the files accessed less than 30 days ago.… Read More »
The most graceful way is to use the command init s. If you want to shut everything down before going to single user mode then do init 0 first and from the ok prompt do a boot -s.
Q: How to check folder size? A:du -sh /path/to/filesdu -sh /path/to/folder
uname -m show architecture of machine uname Print system information, Prints Linux. uname -r show used kernel version arch Print machine architecture. free Display used and free memory on the system. ipcrm Provide information on ipc facilities. ipcs Same as ipcrm. lsdev Display information about installed hardware via files in the /proc directory. lsof List… Read More »