Command Line Tricks
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01/16/2012 - Linux 

Command Line Tricks

There are a large number of command line tricks out there for Linux.
These are some of the more special things I try to remember.

  • Repeat the last command you just entered

  • Repeat the last command you just entered thru sudo instead.

    sudo !!
  • Use "mkdir" to create nested directories in a single command

    mkdir dir1/dir2/dir3/dir4
  • Recursively search files starting from current directory using grep

    grep -R thistext *
  • Download a single file via the command line

  • Download entire website for off-line viewing (with all hyperlinks made local)

    wget --mirror -p --html-extension --convert-links
  • Generate log file of all broken links on a given website

    wget --spider -o broken.log  -e robots=off wait 1 -r -p
  • See a history list of your most used commands

    history|awk '{print $2}'|awk 'BEGIN {FS="|"} {print $1}'|sort|uniq -c|sort -r
  • Find lost files you just saved

    find ~ -type f -mtime 0
    find ~ -type f -mtime 0 -iname '*.doc'

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