Search results
Results from the WOW.Com Content Network
In computing, redirection is a form of interprocess communication, and is a function common to most command-line interpreters, including the various Unix shells that can redirect standard streams to user-specified locations. The concept of redirection is quite old, dating back to the earliest operating systems (OS).
Earlier Unix-like systems either accessed only local files or had hard-coded rules for accessing files or network-stored databases. Ultrix was a notable exception with its nearly identical functionality of the NSS configuration file in /etc/svc.conf. Sun Microsystems first developed the NSS for their Solaris operating system.
There is no universal solution for the Year 2038 problem. For example, in the C language , any change to the definition of the time_t data type would result in code-compatibility problems in any application in which date and time representations are dependent on the nature of the signed 32-bit time_t integer.
Folder Redirection allows saving data regardless of storage location and separates user data from profile data decreasing the time required to log on. Other advantages include: [2] Data is stored on a server where it can be backed up; If the same redirection is applied to multiple users, all data is stored in the one location
Unix shells use dup2 for input/output redirection. Along with pipe(), it is a tool on which Unix pipes rely. The following example uses pipe() and dup() in order to connect two separate processes (program1 and program2) using Unix pipes:
In computing, the exit status (also exit code or exit value) of a terminated process is an integer number that is made available to its parent process (or caller). In DOS , this may be referred to as an errorlevel .
Practical lessons, over the years, had led to the definition, and establishment, of procedures and tools. Eventually, the tools became systems to manage software changes. [1] Industry-wide practices were offered as solutions, either in an open or proprietary manner (such as Revision Control System).
Another solution would be to somehow guarantee dp is not used again without further initialization. Another frequent source of dangling pointers is a jumbled combination of malloc() and free() library calls: a pointer becomes dangling when the block of memory it points to is freed.