what is tput command in linux?
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tput : Portable Terminal Control. The tput command allows shell scripts to do things like clear the screen, underline text, and center text no matter how wide the screen is. To do these things, it translates the terminal-independent name of a terminal capability into its actual value for the terminal type being used.
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The Linux tee command reads standard input and writes it to both standard output and one or more files. In normal output redirection, the lines of the command will be written to a file, but we cannot see the output at the same time.
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The fputs() function in PHP is an inbuilt function which is used to write to an open file. The fputs() function stops at the end of the file or when it reaches the specified length passed as a parameter, whichever comes first.
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The 'cp' command works by specifying a source followed by the destination. For example, say we want to copy the /tmp/test file to /root, this would be done as follows. This will copy the source file at /tmp/test to the directory /root/test.
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9 UNIX / Linux tput Examples: Control Your Terminal Color and Cursor. tput command is used to query the terminfo terminal database and check if that terminal supports a specific feature. tput command accepts the terminal commands and output the control code sequences for that terminal.
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['Before I begin... This article is intended solely as an introduction to some useful troubleshooting commands. ... ', '1: System File Checker. ... ', '2: File Signature Verification. ... ', '3: Driverquery. ... ', '4: Nslookup. ... ', '5: Ping. ... ', '6: Pathping. ... ', '7: Ipconfig.']
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A pipe is a form of redirection (transfer of standard output to some other destination) that is used in Linux and other Unix-like operating systems to send the output of one command/program/process to another command/program/process for further processing.
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['rsync command to with --progress option.', 'pv command – monitor the progress of data or data transfer through a pipe. This is a recommend option for most users.']
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fputc() function is a file handling function in C programming language which is used to write a character into a file. It writes a single character at a time in a file and moves the file pointer position to the next address/location to write the next character.
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Ctrl + C is used to kill a process with signal SIGINT , in other words it is a polite kill . Ctrl + Z is used to suspend a process by sending it the signal SIGTSTP , which is like a sleep signal, that can be undone and the process can be resumed again. ... kill %n where n is the number displayed by the jobs command.
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File input means taking input from file or reading a file. File output is writing to a file. However normal input is standard input output operation from console.
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It returns the character written. putchar(c) is defined as putc(c, stdout). fputc behaves like putc, but is a genuine function rather than a macro; it may therefore be used as an argument. fputc runs more slowly than putc, but takes less space per invocation.
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['Cut – Command + X.', 'Copy – Command + C.', 'Paste – Command + V.']
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ntop for Linux ntop is a free monitoring tool for Linux which will show you a list of hosts currently utilising the network. The associated protocols in use are also displayed. Traffic is then displayed in order of hosts / protocol.
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dput opens file and deparses the object x into that file. The object name is not written (unlike dump ). If x is a function the associated environment is stripped. ... dput will warn if fewer characters were written to a file than expected, which may indicate a full or corrupt file system.
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Linux xterm command. On Unix-like operating systems, the xterm command is a terminal emulator for the X Window System.
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['If the file is nonempty, then fgetl returns tline as a character vector.', 'If the file is empty and contains only the end-of-file marker, then fgetl returns tline as a numeric value -1 .']