Hard linking a file
Let's take a case,
We are working on updating particular software packages on Linux machine. And unexpectedly, a couple of important files got deleted by the administrator.
During this situations, hard linked files will come handy as a backup.
Note:
Generally, the hard link file is used for the backup purpose of small and important configuration files like /etc/passwd, /etc/shadow etc.
Command Syntax:
ln actual-file hard link-file
Example:
[root@sys2 ~]# ln abclearn hardln [root@sys2 ~]# ls -l hardln
-rw-r--r--. 2 root root 16 Jan 28 19:55 hardln
[root@sys2 ~]# ls -l abclearn
-rw-r--r--. 2 root root 16 Jan 28 19:55 abclearn
AsyncMac.sys is a Microsoft Windows driver file, described as MS Remote Access Serial Network driver. It is a system file and is signature by Microsoft Windows - Microsoft Time-Stamp Service. Many Microsoft, as well as third party programs and applications share this driver file.
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Issue Description:
When I tried to rebuild one of the indexes I received the following error:
SQL> alter index I_WRI$_OPTSTAT_H_ST rebuild;
alter index I_WRI$_OPTSTAT_H_ST rebuild
*
ERROR at line 1:
ORA-00604: error occurred at recursive SQL level 1
ORA-01502: index 'SYS.I_WRI$_OPTSTAT_IND_OBJ#_ST' or partition of such index is in unusable state.
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Hardware Abstraction Layer (HAL) or hal.dll is a Windows system file, which implements a number of hardware functions. Although drivers for most of the hardware are contained in files with .sys extension
AsyncMac.sys is a Microsoft Windows driver file, described as MS Remote Access Serial Network driver. It is a system file and is signature by Microsoft Windows - Microsoft Time-Stamp Service. Many Microsoft, as well as third party programs and applications share this driver file. Its file path is either C:\Windows\ or C:\Windows\System32\, and is only [...]