Linux Commands

Command Description

1. apropos whatis --- Show commands persistance to string.
   
2. man -t man | ps2pdf - > man.pdf --- make a pdf of a manual page which command Show full path name of command time command See how long a command takes
3. time cat --- Start stopwatch. Ctrl-d to stop.
   

1. cd- --- Go to previous directory
2. cd --- Go to $HOME directory (cd dir & command) Go to dir, execute command and return to current directory.
3. pushd --- Put current dir on stack so you can popd back to it file searching

1. alias l='ls -l --color=auto' --- quick directory listing
2. ls -lrt --- List files by date. See also newest and find_mm_yyyy
3. ls /usr/bin | pr -T9 -W$COLUMNS --- Print in 9 columns to width of terminal
4. find -type f ! -perm -444 --- Find files not readable by all (useful for web site)
5. find -type d ! -perm -111 --- Find dirs not accessible by all (useful for web site)
6. locate -r 'file[^/]*\.txt' --- Search cached index for names. This re is like glob *file*.txt
7. look reference --- Quickly search (sorted) dictionary for prefix
8. grep --color reference /usr/share/dict/words --- Highlight occurances of regular expression in dictionary
   

This post was written by: Anto Dominic

Anto Dominic is a part time blogger and crazy in networking and servers. Follow him on Twitter