The at command is used to run a task once, at a specified time. It is not designed for repetitive or regularly scheduled tasks. The at command is very flexible. Users can specify a particular date and time, or cause the scheduled command to run after a given period of time. The command is typically […]
atq Command Examples in Linux
The at command is used to run a task once, at a specified time. It is not designed for repetitive or regularly scheduled tasks. The at command is very flexible. Users can specify a particular date and time, or cause the scheduled command to run after a given period of time. The command is typically […]
at Command Examples in Linux
The at command is used to run a task once, at a specified time. It is not designed for repetitive or regularly scheduled tasks. The at command is very flexible. Users can specify a particular date and time, or cause the scheduled command to run after a given period of time. The command is typically […]
test: command not found
The test command is used to check conditional logic and perform comparisons. You can use the test command in your shell scripts to validate the status of files and perform relevant tasks. It evaluates a conditional expression or logical operation and displays an exit status. The exit status is 0 if the expression is true […]
test Command Examples in Linux
The test command is used to check conditional logic and perform comparisons. You can use the test command in your shell scripts to validate the status of files and perform relevant tasks. It evaluates a conditional expression or logical operation and displays an exit status. The exit status is 0 if the expression is true […]
How to use Exit Codes in Conditional Statements in Shell Scripts
The exit Command You can use the exit command in a script to force the shell to terminate with whatever exit code you provide. For example, exit 1 will cause the script to terminate with a failure status. If you don’t provide a number, exit will terminate with the exit code of the last command […]
mv Command Examples in Linux
The mv command moves files and directories to other locations. It is similar to the cp command but does not leave the initial object in place. Therefore, mv is more like a cut and paste operation. The Bash shell does not have a dedicated rename command but instead uses mv to accomplish that function. The […]
if Command Examples in Linux
In most languages, including Bash, the primary conditional statement is the if statement. An if statement contains a condition to be evaluated and one or more actions to be performed, if the condition is satisfied. If the condition is not satisfied, the actions are skipped and the next statement in the script is executed. In […]
exec: command not found
The exec command is used to execute another command, replacing the current shell process with this new program’s process (no new process is created). This can be useful when you want to prevent the user from returning to the parent process if an error is encountered. For example, you may want to terminate a privileged […]
exec Command Examples in Linux
The exec command is used to execute another command, replacing the current shell process with this new program’s process (no new process is created). This can be useful when you want to prevent the user from returning to the parent process if an error is encountered. For example, you may want to terminate a privileged […]