5 Command Line Tips and Tricks<\/p>\n<\/div>\n Here we are starting a new series, where we will be writing some tips and tricks and will try to yield as more as we can in small time.<\/p>\n 1.<\/strong>\u00a0To audit the commands we\u2019d run in past, we use\u00a0history command<\/a>. Here is a sample output of history command.<\/p>\n history command example<\/p>\n<\/div>\n Obvious from output, the history command do not output the time stamp with the log of last executed commands. Any solution for this? Yeah! Run the below command.<\/p>\n and then, from terminal run,<\/p>\n Explanation of commands and switches.<\/p>\n history Command Logs<\/p>\n<\/div>\n 2.<\/strong>\u00a0The next gem in the list is \u2013 how to check disk write speed? Well one liner\u00a0dd<\/strong>\u00a0command script serves the purpose.<\/p>\n dd Command Example<\/p>\n<\/div>\n Explanation of commands and switches.<\/p>\n 3.<\/strong>\u00a0How will you check the top six files that are eating out your space? A simple one liner script made from\u00a0du command<\/a>, which is primarily used as file space usages.<\/p>\n Check Disk Space Usage<\/p>\n<\/div>\n Explanation of commands and switches.<\/p>\n 4.<\/strong>\u00a0The next step involves statistics in terminal of a file of every kind. We can output the statistics related to a file with the help of\u00a0stat<\/strong>\u00a0(output file\/fileSystem status) command.<\/p>\n Check File Statistics<\/p>\n<\/div>\n 5.<\/strong>\u00a0The next and last but not the least, this one line script is for those, who are newbies. If you are an experienced user you probably don\u2019t need it, unless you want some fun out of it. Well newbies are Linux-command-line phobic and the below one liner will generate random man pages. The benefit is as a newbie you always get something to learn and never get bored.<\/p>\n Generate Random Man Pages<\/p>\n<\/div>\n Explanation of commands and switches.<\/p>\n That\u2019s all for now. If you know any such tips and tricks you may share with us and we will post the same in your words on our reputed Tecmint.com website.<\/p>\n If you want to share any tips and tricks that you cannot make into article you may share it at tecmint[dot]com[at]gmail[dot]com and we will include it in our article. Don\u2019t forget to provide us with your valuable feedback in the comments below. Keep connected. Like and share us and help us get spread.<\/p>\n Don\u2019t Miss<\/strong>:<\/p>\n![\"5](\"https:\/\/www.tecmint.com\/wp-content\/uploads\/2015\/03\/5-Command-Line-Tips.jpg\")
<\/a><\/p>\n# history\r\n<\/pre>\n
<\/a><\/p>\n# HISTTIMEFORMAT=\"%d\/%m\/%y %T \"\r\n# history\r\n<\/pre>\n
~\/.bashrc<\/code>.<\/center><\/p>\nexport HISTTIMEFORMAT=\"%d\/%m\/%y %T \"\r\n<\/pre>\n
# source ~\/.bashrc\r\n<\/pre>\n
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<\/a><\/p>\n# dd if=\/dev\/zero of=\/tmp\/output.img bs=8k count=256k conv=fdatasync; rm -rf \/tmp\/output.img\r\n<\/pre>\n
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# du -hsx * | sort -rh | head -6\r\n<\/pre>\n
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# stat filename_ext (viz., stat abc.pdf)\r\n<\/pre>\n
<\/a><\/p>\n# man $(ls \/bin | shuf | head -1)\r\n<\/pre>\n
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