More tips. I'd never heard of look(1) before.
Submitted by: Dru <genisis@istar.ca>
This commit is contained in:
parent
03f80507e5
commit
dc6af80701
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=78355
@ -330,3 +330,162 @@ details.
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If other operating systems have damaged your Master Boot Record, you can
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reinstall it either with /stand/sysinstall or with boot0cfg(8). See
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"man boot0cfg" for details.
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%
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Need to see the calendar for this month? Simply type "cal". To see the
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whole year, type "cal 2001".
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-- Dru <genesis@istar.ca>
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%
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Need to quickly return to your home directory? Type "cd".
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-- Dru <genesis@istar.ca>
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%
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To see the last time that you logged in, use lastlogin(8).
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-- Dru <genesis@istar.ca>
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%
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To clear the screen, use "clear". To re-display your screen buffer, press
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the scroll lock key and use your page up button. When you're finished,
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press the scroll lock key again to get your prompt back.
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-- Dru <genesis@istar.ca>
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%
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To save disk space in your home directory, can compress files you
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rarely use with "gzip filename".
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-- Dru <genesis@istar.ca>
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%
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To read a compressed file without having to first uncompress it, use
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"zcat" or "zmore" to view it.
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-- Dru <genesis@istar.ca>
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%
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To see how much disk space is left on your partitions, use
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df -h
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-- Dru <genesis@istar.ca>
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%
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To see the 10 largest files on a directory or partition, use
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du /partition_or_directory_name | sort -rn | head
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-- Dru <genesis@istar.ca>
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%
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To determine whether a file is a text file, executable, or some other type
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of file, use
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file filename
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-- Dru <genesis@istar.ca>
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%
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Need to find the information that was displayed on your screen at boot
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time? Try
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more /var/run/dmesg.boot
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-- Dru <genesis@istar.ca>
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%
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Time to change your password? Type "passwd" and follow the prompts.
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-- Dru <genesis@istar.ca>
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%
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Want to know how many words, lines, or bytes are contained in a file? Type
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"wc filename".
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-- Dru <genesis@istar.ca>
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%
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Need to print a manpage? Use
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man name_of_manpage | col -bx > lpr
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-- Dru <genesis@istar.ca>
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%
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Need to remove all those ^M characters from a DOS file? Try
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col -bx < dosfile > newfile
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-- Dru <genesis@istar.ca>
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%
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Forget what directory you are in? Type "pwd".
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-- Dru <genesis@istar.ca>
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%
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If you are in the C shell and have just installed a new program, you won't
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be able to run it unless you first type "rehash".
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-- Dru <genesis@istar.ca>
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%
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Need to leave your terminal for a few minutes and don't want to logout?
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Use "lock -p". When you return, use your password as the key to unlock the
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terminal.
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-- Dru <genesis@istar.ca>
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%
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Want to save your login session to a file? Type "script filename" to
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record your session. When you are finished, hold down the control key and
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press d.
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-- Dru <genesis@istar.ca>
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%
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Need to find the location of a program? Use "locate -b program_name".
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-- Dru <genesis@istar.ca>
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%
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Forget how to spell a word or a variation of a word? Use
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look portion_of_word_you_know
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-- Dru <genesis@istar.ca>
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%
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To see the last 10 lines of a long file, use "tail filename". To see the
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first 10 lines, use "head filename".
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-- Dru <genesis@istar.ca>
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%
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To see how long it takes a command to run, type the word "time" before the
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command name.
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-- Dru <genesis@istar.ca>
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%
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To quickly create an empty file, use "touch filename".
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-- Dru <genesis@istar.ca>
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%
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To find out the hostname associated with an IP address, use
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dig -x IP_address
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-- Dru <genesis@istar.ca>
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%
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If you use the C shell, add the following line to the .cshrc file in your
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home directory to prevent core files from being written to disk:
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limit coredumpsize 0
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-- Dru <genesis@istar.ca>
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%
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If you need a reminder to leave your terminal, type "leave hhmm" where
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"hhmm" represents in how many hours and minutes you need to leave.
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-- Dru <genesis@istar.ca>
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%
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Need to do a search in a manpage or in a file you've sent to a pager? Use
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"/search_word". To repeat the same search, type "n" for next.
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-- Dru <genesis@istar.ca>
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%
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Forget when Easter is? Try "ncal -e". If you need the date for Orthodox
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Easter, use "ncal -o" instead.
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-- Dru <genesis@istar.ca>
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%
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Need to see your routing table? Type "netstat -rn". The entry with the G
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flag is your gateway.
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-- Dru <genesis@istar.ca>
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%
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Need to see which daemons are listening for connection requests? Use
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"sockstat -4".
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-- Dru <genesis@istar.ca>
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%
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Can't remember is you've installed a certain port or not? Try "pkg_info |
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grep port_name".
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-- Dru <genesis@istar.ca>
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%
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Got some time to kill? Try typing "hangman".
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-- Dru <genesis@istar.ca>
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%
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To erase a line you've written at the command prompt, use "Ctrl u".
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-- Dru <genesis@istar.ca>
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%
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To repeat the last command in the C shell, type "!!".
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-- Dru <genesis@istar.ca>
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%
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Need to quickly empty a file? Use "echo > filename".
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-- Dru <genesis@istar.ca>
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%
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To see all of the directories on your FreeBSD system, type
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ls -RC / |more
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-- Dru <genesis@istar.ca>
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%
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To see the IP addresses currently set on your active interfaces, type
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"ifconfig -u".
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-- Dru <genesis@istar.ca>
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%
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To see the MAC addresses of the NICs on your system, type
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grep address /var/run/dmesg.boot
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-- Dru <genesis@istar.ca>
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