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Linux Job Management, Process Management, and Help from: CTDP Linux Files and Command Reference Version 0.8.0) by Mark Allen == Linux Help Commands == apropos ::apropos keyword - Show all commands with the keyword in their description. The same as the "man -k" command. help ::Bash shell help for the bash builtin command list. The help command gets help for a particular command. man ::Get help from the manual for a command. man ::man -k keyword - Show all commands with the keyword in their description ::"man 2 kill" - Display page 2 of the kill command manpath ::Determine user's searchpath for manpages. info ::Documentation on Linux commands and programs similar to the man pages but navigation is organized different. == Linux Job Management == at ::Similar to cron but run only once. atq ::Lists the user's pending jobs. If the user is the superuser, everybody's jobs are listed. atrm ::Deletes at jobs. atrun ::Run jobs queued for later execution batch ::Executes commands when system load levels drop below 0.8 or value specified in atrun invocation. cron ::A deamon used to set commands to be run at specific times. Starts the commands in the crontab file. Used to clean up temporary files periodically in the /var/tmp and /tmp directories. nice ::Run a program with modified scheduling priority. nohup ::Run a command immune to hangups, with output to a non-tty. watch ::Execute a program periodically showing output full screen. == Linux Process management == bg ::Starts a suspended process in the background fg ::Starts a suspended process in the foreground gitps ::A graphical process viewer and killer program. jobs ::Lists the jobs running kill ::Ex: "kill 34" - Effect: Kill or stop the process with the process ID number 34. killall ::Kill processes by name. Can check for and restart processes. pidof ::Find the process ID of a running program ps ::Get the status of one or more processes. Options: :::* u (more info) :::* a (see all) :::* -l (technical info) Meanings: :::* PPID-parent process ID :::* PID-process ID ps ::ax |more to see all processes including daemons pstree ::Display the tree of running processes. sa ::Generates a summary of information about users' processes that are stored in the /var/log/pacct file. skill ::Report process status. snice ::Report process status. top ::Display the processes that are using the most CPU resources. CTRL-C ::Kills the current job. & ::At the end of the command makes it run in the background. == Some Related Pages == *[[How Do I: A Linux Q&A]] *[[Bash Shell Script Examples]] *[[Terminal Process Management]] [[Category:Computer_Technology]] [[Category:Linux]]

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