need to check if a directory exists or not, within a shell script running on Linux or Unix-like system? How do I check if a directory exists in a shell script?
am new to Linux programming and bash shell commands. I have a folder structure as dir1, dir2, dir3 and I would like to rename it as dir001, dir002, dir003. How do you rename multiple folders in Linux?
an you explain bash exit status code? How do I set bash exit status in my Linux shell scripts?
installed Linux on Intel NUC. I need to find Intel NUC BIOS version. How do I find out BIOS version, date, and model name of my Intel NUC using Linux command-line options?
am a new Linux user. How do I hide files and directories in Linux operating systems using the command line interface?
am a new to shell scripting. How do I check for NULL value in a Linux or Unix shell scripts?
y bash shell script read a config file line-by-line
using a bash while loop
. I need to check if a string stored in $var starts with some value such as # character. If so I need to ignore that value and read the next line from my config file. How do I check if variable begins with # in bash shell scripting running on a Linux or Unix-like operating systems?