Latest Answer: both are same. daemons are the background processes in unix. similarly background processes in windows are called as service agents or service processes. ...
df -h
Latest Answer: use "df -k" or "df -h" ...
$ ls > file1$ banner hi-fi > message$ cat par.3 par.4 par.5 >> report$ cat file1>file1$ date ; who$ date ; who > logfile$ (date ; who) > logfile
Latest Answer: $ ls > file1=====>Redirects the output of ls command to file1$ banner hi-fi > message=====>Redirects the output of banner command to message$ cat par.3 par.4 par.5 >> report=====>Redirects the output of files to report and the o/p ...
A pipe is two or more commands separated by pipe char '|'. That tells the shell to arrange for the output of the preceding command to be passed as input to the following command. Example : ls
Latest Answer: The Unix commands alone are powerful, but when two or more commands get combine together, we can accomplish complex task with ease.In unix we can combine the two or more commands together to perform multiple action simulatenously with the help of Pipe ...
Absolute path : Exact path from root directory.Relative path : Relative to the current path.
Latest Answer: A path is the general form or unique location of stored file and directories.A path can be either relative or absolute (full path). A full path or absolute path is a path that points to the same location on one file system regardless of working ...
There are four possible results from this call:‘kill()’ returns 0. This implies that a process exists with the given PID, and the system would allow you to send signals to it. It is system-dependent
Latest Answer: Kill is one of the command in UNIX/LINux which allow user to kill/terminate one process ID or multiple processes IDs.Syntax:$kill -[options] PID$kill -9 754425The kill command send the specified signal to the specified process or process group ...
With the help of kill command we can terminate the process.Syntax: kill pidKill 0 - kills all processes in your system except the login shell.
Latest Answer: kill -0 : All processes in the current process group are signaled. Kill -0 commnd is use to sends signal to all process and group of process. ...
Directing the flow of data to the file or from the file for input or output.Example : ls > wc
Latest Answer: Whenever we run a command on shell prompt we get some output on shell prompt.In case we don't want to appear the output on the shell prompt we can redirect the output to the somewhere else. We can make the output which go into the file or may be directly ...
Shell variables are special variables, a name-value pair created and maintained by the shell. Example: PATH, HOME, MAIL and TERM
Latest Answer: these are some more variables .......$PWD, $DIR_COLORS, $SHELL, $SHLVL ...
Use ‘su’ command. The system asks for password and when valid entry is made the user gains super user (admin) privileges.
Latest Answer: "su" is the command to switch to a super user status (commonly known as root user) from a user shell.This command does not load the shell settings for a typical super user that login from a login screen. Therefore, environment variables/settings ...
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