df and free

commandline session $df Filesystem 1K-blocks Used Available Use% Mounted on rootfs 234611560 217250928 5443016 98% / udev 991480 0 991480 0% /dev tmpfs 199568 604 198964 1% /run /dev/disk/by-uuid/26cca090-8a72-4443-859f-7a67b7188357 234611560 217250928 5443016 98% / tmpfs 5120 0 5120 0% /run/lock tmpfs 399132 72 399060 1% /tmp tmpfs 399132 700 398432 1% /run/shm $df -h Filesystem …

arch and uname

commandline session $arch i686 $uname -m i686 $arch –help Usage: arch [OPTION]… Print machine architecture. –help display this help and exit –version output version information and exit Report arch bugs to bug-coreutils@gnu.org GNU coreutils home page: General help using GNU software: For complete documentation, run: info coreutils ‘arch invocation’ $

search algorithm for GNU source installer

/* Search API Algorithm Copyright (c) 2012 Jeffrin Jose This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in …

maps Memory maps to executables and library files

UNIX Parameter $sudo cat /proc/1/maps [sudo] password for jeffrin: 00400000-00409000 r-xp 00000000 08:01 6070276 /sbin/init 00608000-00609000 r–p 00008000 08:01 6070276 /sbin/init 00609000-0060a000 rw-p 00009000 08:01 6070276 /sbin/init 01c21000-01c42000 rw-p 00000000 00:00 0 [heap] 7f641ff63000-7f641ff100000 r-xp 00000000 08:01 14532647 /lib/x86_64-linux-gnu/libdl-2.13.so 7f641ff100000-7f64201100000 —p 00002000 08:01 14532647 /lib/x86_64-linux-gnu/libdl-2.13.so 7f64201100000-7f6420166000 r–p 00002000 08:01 14532647 /lib/x86_64-linux-gnu/libdl-2.13.so 7f6420166000-7f6420167000 rw-p 00003000 08:01 …

ls ( –sort option)

UNIX Command $pwd /home/jeffrin/shelter/symmel $ls beautifulwork bugs-general debian-howtos firewall language ovlfose books config-files Docs https: linux README $ls –sort=none Docs https: language ovlfose firewall README books debian-howtos linux bugs-general config-files beautifulwork $ls –sort=time firewall Docs config-files beautifulwork bugs-general ovlfose language https: debian-howtos books linux README $ls –sort=size beautifulwork bugs-general debian-howtos firewall language ovlfose books config-files …