InLinux, *./(dot slash) represents the relative path to thecurrent working directory. This article lays out exactly what it means and how to use it. . (dot) and .. (double-dot) .(single dot) and..(double dot) are special directory names inLinux(And other *nix operating systems). ...
In Linux and Unix-based systems, the exit code 127 refers to an invalid command to run in a bash script. The exact meaning of the standard error message 127 is “Command Not Found”. This is a way of communication of the system indicating that the particular command given by the user ...
One such option is the -z option, which we will explore in this article. What Does -z Mean in Bash In Bash, the -z option is used to test whether a string is empty and can be used with the test command. The -z option returns true if the length of the string is zero and ...
When trying to access or remove a file I get the error: Raw mv: cannot stat '[filename]: Input/Output error. When trying to execute the command on bash, will get the error: Raw -bash:/root/.bash_profile: input/output error.
What does “[[ $- != *i* ]] && return” mean? https://askubuntu.com/questions/829069/what-does-i-return-mean Why does bashrc check whether the current shell is interactive? https://unix.stackexchange.com/questions/257571/why-does-bashrc-check-whether-the-current-shell-is-interactive ...
In this tutorial, we're going to examine the use of the double-dash in shell commands. We'll take a look at what it does and when we might need it. 2. What Does It Do? A double-dash in a shell command signals the end of options and disables further option processing. Let's see...
What does it mean if rowCount in resultSet returned by RdbStore.query() is -1? How do I read data from a local or preset database? How do I embed database data into an application? How do I ensure that only one write operation is performed at a time in an SQLite-based data...
You can clean the build by defining a clean target in the makefile, which typically removes all the redundant object files and the executable. Q. What does the $@ symbol mean in a makefile? $@ is an automatic variable in make that represents the file name of the rule’s target. Q....
Having used both before settling on Mint, I recommend that anybody looking to switch over does the same. They’re both great OSes and work extremely well, without corporate shenanigans. Should You Use Mint? For me, Linux Mint has become my default OS on all my laptops and I recommend any...
In this short article, we'll explore what Bash is, what it does, and how you can start using it. Bash Defined The nameBashis an acronym forBourne-AgainSHell, a pun on the name Stephen Bourne, creator of one of Bash's predecessors. The first beta was released in 1989, and, as of ...