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Linux commands for newbies |
All this examples are run using cygwin
ls -l Display directories - sorted by file name
$ ls -l
total 9
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:45 bin
d--x--x--x 3 PednekaA mkgroup 0 2006-11-30 16:00 cygdrive
drwxrwxr-x+ 1 PednekaA mkgroup 0 2010-04-10 20:52 dev
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:46 etc
drwxrwxrwt+ 1 PednekaA root 0 2010-04-10 21:11 home
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:37 lib
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 17:48 opt
dr-xr-xr-x 8 PednekaA mkgroup 0 2006-11-30 16:00 proc
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 20:27 sbin
drwxr-xr-x+ 1 PednekaA mkgroup 0 2010-04-10 20:55 srv
drwxrwxrwt+ 1 PednekaA root 0 2010-04-10 21:46 tmp
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:27 usr
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:39 var
ls -lrt Display directories - sorted by file date
$ ls -lrt
total 9
dr-xr-xr-x 8 PednekaA mkgroup 0 2006-11-30 16:00 proc
d--x--x--x 3 PednekaA mkgroup 0 2006-11-30 16:00 cygdrive
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 17:48 opt
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 20:27 sbin
drwxrwxr-x+ 1 PednekaA mkgroup 0 2010-04-10 20:52 dev
drwxr-xr-x+ 1 PednekaA mkgroup 0 2010-04-10 20:55 srv
drwxrwxrwt+ 1 PednekaA root 0 2010-04-10 21:11 home
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:27 usr
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:37 lib
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:39 var
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:45 bin
drwxrwxrwt+ 1 PednekaA root 0 2010-04-10 21:46 tmp
drwxr-xr-x+ 1 PednekaA root 0 2010-04-10 21:46 etc
ps -ef To show all processes
$ ps -ef
UID PID PPID TTY STIME COMMAND
PednekaA 6652 1 con 19:28:33 /usr/bin/bash
PednekaA 8008 6652 con 20:01:54 /usr/bin/ps
ps -ef | grep man
To find a process. In this example we searched for 'man' process
$ ps -ef | grep man
PednekaA 6720 6652 con 22:51:15 /usr/bin/man
vi create, edit a file
This will create a.txt
$ vi a.txt
Now press ESC key and hit i
Start typing
Now to save use following keys :wq
To search in a file use :/string
cat Cygwin.bat
To view contents of a file
$ cat Cygwin.bat
@echo off
C:
chdir C:\apps\cygwin\bin
bash --login -i
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