The Unix top command is useful for monitoring systems continuously for processes that take more system resources like the CPU time and the memory. top periodically updates the display showing the high resource consuming processes at the top. top is an excellent aid in checking a system. If your Linux or Unix system is giving …
The ps command gives information about processes on a Linux or Unix system. Our programs run as processes in the system. Also, for each installed package, there might be one or more processes. So, to know what is happening in the system, the first instinctive action is to find out about processes running in the …
1. Limiting the width of Linux man command output Quite often, we need to print the output of the Linux man command. One way is to redirect the man command output to a file, open the file in LibreOffice Writer and export to PDF. The PDF can, later, be printed. However, by default, the man …
cron is a daemon that executes programs for users periodically at predefined times. The cron daemon or service is started by the init process during system initialization. cron comes from chronos, the Greek word for time. cron was authored by Brian Kernighan in Version 7 Unix. The 4th BSD edition cron, written by Paul Vixie …
rsync is a one-way file synchronization tool used in Linux and other Unix-like systems. It is used to ensure that the destination file(s) become an exact replica of corresponding file(s) at the source, thus providing an excellent tool for taking backups. rsync is inherently a file copying tool. However, it is a better file copying …
