Command-Line – Quickly Move Into and From Deeply Nested Directories

bashcommand linedirectory

We know that using cd <directory> will open the directory, if it exists!

Also, cd .. will take us up one level from the current working directory.

But, when we have a nested dir with longer path like /home/thina/teams/td/tech/app/release/apks, it is tiring to just go into the folder apks and also it is hard to get back to another node, say here /home/thina/teams.

Is there any way to skip the typing of cd and cd ..? I'm using Ubuntu 16.04.

Best Answer

There is pushd and popd:

pushd /home/thina/teams/td/tech/app/release/apks
# current directory now /home/thina/teams/td/tech/app/release/apks
popd
# current directory now what it was before pushd command

Try help pushd and help popd for more options. There is no man page, because pushd and popd are bash built-in commands.

Related Solutions

Ubuntu – Is it possible to get tab completion with sftp

Thanks to shellholic's answer, I was able to make it (somewhat) work for sftp. First, create the file /etc/bash_completion.d/sftp with the following content:

# custom sftp(1) based on scp
# see http://askubuntu.com/questions/14645/is-it-possible-to-get-tab-completion-with-sftp
#
_sftp()
{
    local configfile cur userhost path prefix

    COMPREPLY=()
    cur=`_get_cword ":"`

    _expand || return 0

    if [[ "$cur" == *:* ]]; then
        local IFS=$'\t\n'
        # remove backslash escape from :
        cur=${cur/\\:/:}
        userhost=${cur%%?(\\):*}
        path=${cur#*:}
        # unescape spaces
        path=${path//\\\\\\\\ / }
        if [ -z "$path" ]; then
            # default to home dir of specified user on remote host
            path=$(ssh -o 'Batchmode yes' $userhost pwd 2>/dev/null)
        fi
        # escape spaces; remove executables, aliases, pipes and sockets;
        # add space at end of file names
        COMPREPLY=( $( ssh -o 'Batchmode yes' $userhost \
            command ls -aF1d "$path*" 2>/dev/null | \
            sed -e "s/[][(){}<>\",:;^&\!$=?\`|\\ ']/\\\\\\\\\\\\&/g" \
            -e 's/[*@|=]$//g' -e 's/[^\/]$/& /g' ) )
        return 0
    fi

    if [[ "$cur" = -F* ]]; then
        cur=${cur#-F}
        prefix=-F
    else
        # Search COMP_WORDS for '-F configfile' or '-Fconfigfile' argument
        set -- "${COMP_WORDS[@]}"
        while [ $# -gt 0 ]; do
            if [ "${1:0:2}" = -F ]; then
                if [ ${#1} -gt 2 ]; then
                    configfile="$(dequote "${1:2}")"
                else
                    shift
                    [ "$1" ] && configfile="$(dequote "$1")"
                fi
                break
            fi
            shift
        done

        [[ "$cur" == */* ]] || _known_hosts_real -c -a -F "$configfile" "$cur"
    fi
    # This approach is used instead of _filedir to get a space appended
    # after local file/dir completions, and $nospace retained for others.
    local IFS=$'\t\n'
    COMPREPLY=( "${COMPREPLY[@]}" $( command ls -aF1d $cur* 2>/dev/null | sed \
        -e "s/[][(){}<>\",:;^&\!$=?\`|\\ ']/\\\\&/g" \
        -e 's/[*@|=]$//g' -e 's/[^\/]$/& /g' -e "s/^/$prefix/") )

    return 0
}
complete -o nospace -F _sftp sftp

Then in bash you need to execute . /etc/bash_completion.d/sftp in order to load the script.

All I really did was copy/paste the scp completion script from /etc/bash_completion.d/ssh and replace scp occurences with sftp.

Ubuntu – Where is the kernel directory for Ubuntu 12.10

I think --kernel-dir is not a placeholder to replace with something. It is a parameter to the build.sh to specify kernel dir. The kernel dir is /lib/modules/$(uname -r)/build. (The uname -r defines the installed kernel details.)

Try sudo ./build.sh --kernel-dir /lib/modules/$(uname -r)/build

Don't alter uname -r with anything. It will automatically place the kernel version for the command.

Best Answer

Related Solutions

Ubuntu – Is it possible to get tab completion with sftp

Ubuntu – Where is the kernel directory for Ubuntu 12.10

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