Common Linux Commands for Sys Admins
man The most important command in Linux, man shows information about other commands. You can start by running "man man" to find more about the man command. uptime This command tells you how long your system has been running for. w This command shows who is logged into your system and what they are currently doing. users This shows you the usernames of users who are currently logged in to your system. whoami Prints the username of the user that you are currently logged in as. grep Finds text in files and outputs the neighboring text along with file names. You can recursively search in multiple files using -r. You can output only file names using -l. less If the case your output of a command or file contests are more your screen can accommodate, you can view it in parts using less. The output of the previous command using less is the following. cat This helps in displaying, copying or combining text files. pwd Prints the absolute path of the c...